व्यंजक (3(2x-5)-2(x+4)) का सरल रूप क्या है?
What is the simplified form of (3(2x-5)-2(x+4))?
#algebraic_expressions
#expansion
#simplification
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A (4x-23)
B (8x-7)
C (4x-7)
D (6x-23)
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Correct Answer
A. (4x-23)
Explanation
Simple Explanation
कोष्ठक खोलने पर (6x-15-2x-8=4x-23) मिलता है। ऋण चिह्न को पूरे कोष्ठक पर लगाएं। / Expanding gives (6x-15-2x-8=4x-23). Apply the negative sign to the whole bracket.
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यदि (a=-2), तो \(4a^2-3a-5\) का मान क्या होगा?
If (a=-2), what is the value of \(4a^2-3a-5\)?
#algebraic_expressions
#evaluation
#negative_value
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A (9)
B (17)
C (27)
D (5)
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Explanation
Simple Explanation
(a=-2) रखने पर (4(4)+6-5=17) मिलता है। ऋणात्मक मान का वर्ग धनात्मक होता है। / Putting (a=-2) gives (4(4)+6-5=17). The square of a negative value is positive.
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व्यंजक \(5p^2-3p+7-2p^2+8p-4\) का सरल रूप क्या है?
What is the simplified form of \(5p^2-3p+7-2p^2+8p-4\)?
#algebraic_expressions
#like_terms
#quadratic
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A \(7p^2+5p+3\)
B \(3p^2-11p+11\)
C \(3p^2+5p+3\)
D \(7p^2+11p+3\)
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Correct Answer
C. \(3p^2+5p+3\)
Explanation
Simple Explanation
समान पद जोड़ने पर \(5p^2-2p^2=3p^2\), (-3p+8p=5p) और (7-4=3) मिलता है। पदों को घात के अनुसार समूहित करें। / Combining like terms gives \(5p^2-2p^2=3p^2\), (-3p+8p=5p) and (7-4=3). Group terms by powers.
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किस विकल्प में (2x+3) और (5x-9) के अंतर (2x+3-(5x-9)) का सही रूप है?
Which option gives the correct form of the difference (2x+3-(5x-9))?
#algebraic_expressions
#subtraction
#signs
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A (-3x-6)
B (7x-6)
C (-3x+12)
D (7x+12)
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Correct Answer
C. (-3x+12)
Explanation
Simple Explanation
घटाए गए व्यंजक के चिह्न बदलने पर (2x+3-5x+9=-3x+12) मिलता है। कोष्ठक हटाते समय चिह्न ध्यान से बदलें। / Changing signs of the subtracted expression gives (2x+3-5x+9=-3x+12). Change signs carefully while removing brackets.
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यदि (x=3) और (y=-1), तो \(2x^2-xy+4y\) का मान क्या होगा?
If (x=3) and (y=-1), what is the value of \(2x^2-xy+4y\)?
#algebraic_expressions
#two_variables
#evaluation
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A (17)
B (21)
C (25)
D (29)
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Explanation
Simple Explanation
मान रखने पर (2(9)-3(-1)+4(-1)=17) मिलता है। दो चर वाले प्रश्न में चिह्न अलग से जांचें। / Substitution gives (2(9)-3(-1)+4(-1)=17). In two-variable questions, check signs separately.
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कौन सा व्यंजक (n) से शुरू होने वाली तीन लगातार सम संख्याओं के योग को दर्शाता है?
Which expression represents the sum of three consecutive even numbers starting from (n)?
#algebraic_expressions
#word_problem
#consecutive_numbers
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A (3n+3)
B (3n+6)
C (n+6)
D (3n+2)
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Explanation
Simple Explanation
तीन लगातार सम संख्याएं (n), (n+2), और (n+4) होंगी। उनका योग (3n+6) है। / The three consecutive even numbers are (n), (n+2), and (n+4). Their sum is (3n+6).
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व्यंजक (7m-2(3m-4)+5(m-1 )) का सरल रूप क्या है?
What is the simplified form of (7m-2(3m-4)+5(m-1 ))?
#algebraic_expressions
#nested_simplification
#brackets
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A (6m+3)
B (6m-13)
C (4m+3)
D (4m-13)
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Explanation
Simple Explanation
खोलने पर (7m-6m+8+5m-5=6m+3) मिलता है। पहले सभी कोष्ठक खोलें फिर समान पद जोड़ें। / Expanding gives (7m-6m+8+5m-5=6m+3). Open all brackets first and then combine like terms.
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यदि (r=4), तो \(\frac{3r^2-2r}{2}\) का मान क्या होगा?
If (r=4), what is the value of \(\frac{3r^2-2r}{2}\)?
#algebraic_expressions
#fraction
#evaluation
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A (16)
B (18)
C (20)
D (22)
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Explanation
Simple Explanation
(r=4) रखने पर (\frac{3(16)-8}{2}=\frac{40}{2}=20) मिलता है। भिन्न में पूरा अंश पहले सरल करें। / Putting (r=4) gives (\frac{3(16)-8}{2}=\frac{40}{2}=20). Simplify the whole numerator first in a fraction.
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किस विकल्प में \(4a^2b-7ab^2+3a^2b+2ab^2\) का सही सरल रूप है?
Which option gives the correct simplified form of \(4a^2b-7ab^2+3a^2b+2ab^2\)?
#algebraic_expressions
#multivariable
#like_terms
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A \(7a^2b-5ab^2\)
B \(7a^2b+9ab^2\)
C \(a^2b-5ab^2\)
D \(7a^3b^3-5ab^2\)
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Correct Answer
A. \(7a^2b-5ab^2\)
Explanation
Simple Explanation
\(4a^2b+3a^2b=7a^2b\) और \(-7ab^2+2ab^2=-5ab^2\)। अलग चर भागों को अलग रखें। / \(4a^2b+3a^2b=7a^2b\) and \(-7ab^2+2ab^2=-5ab^2\). Keep different variable parts separate.
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किस व्यंजक में (x) का गुणांक (0) है लेकिन \(x^2\) का पद मौजूद है?
In which expression is the coefficient of (x) equal to (0) but the \(x^2\) term is present?
#algebraic_expressions
#missing_term
#coefficient
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A (3x+5)
B \(x^2-7\)
C \(2x^2+x\)
D (4-x)
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Correct Answer
B. \(x^2-7\)
Explanation
Simple Explanation
\(x^2-7\) में प्रथम घात वाला (x) पद नहीं है। इसलिए (x) का गुणांक (0) माना जाता है। / In \(x^2-7\), there is no first-power (x) term. So the coefficient of (x) is taken as (0).
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व्यंजक (2(x-y)-3(y-x)) का सरल रूप क्या है?
What is the simplified form of (2(x-y)-3(y-x))?
#algebraic_expressions
#bracket_signs
#simplification
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A (5x-5y)
B (x-y)
C (5y-5x)
D (2x+y)
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Correct Answer
A. (5x-5y)
Explanation
Simple Explanation
खोलने पर (2x-2y-3y+3x=5x-5y) मिलता है। (y-x) पर ऋण गुणन करते समय सावधान रहें। / Expanding gives (2x-2y-3y+3x=5x-5y). Be careful while multiplying (y-x) by a negative number.
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यदि (u=-3) और (v=2), तो \(u^2-2uv+v^2\) का मान क्या होगा?
If (u=-3) and (v=2), what is the value of \(u^2-2uv+v^2\)?
#algebraic_expressions
#evaluation
#identity_form
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A (1)
B (13)
C (25)
D (49)
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Explanation
Simple Explanation
मान रखने पर (9-2(-6)+4=25) मिलता है। (uv) का चिह्न पहले निकालें। / Substitution gives (9-2(-6)+4=25). Find the sign of (uv) first.
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एक आयत की लंबाई (2x+3) और चौड़ाई (x-5) है। इसका परिमाप क्या होगा?
The length of a rectangle is (2x+3) and its breadth is (x-5). What is its perimeter?
#algebraic_expressions
#geometry
#perimeter
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A (3x-2)
B (6x-4)
C (2x+8)
D (6x+16)
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Explanation
Simple Explanation
परिमाप (2[(2x+3)+(x-5)]=2(3x-2)=6x-4) है। पहले लंबाई और चौड़ाई जोड़ें। / The perimeter is (2[(2x+3)+(x-5)]=2(3x-2)=6x-4). Add length and breadth first.
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किस विकल्प में \(-5x^2\) और \(8x^2\) के योग का सही परिणाम है?
Which option gives the correct sum of \(-5x^2\) and \(8x^2\)?
#algebraic_expressions
#add_like_terms
#powers
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A \(-13x^2\)
B \(3x^4\)
C \(13x^2\)
D \(3x^2\)
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Correct Answer
D. \(3x^2\)
Explanation
Simple Explanation
गुणांक (-5+8=3) हैं और चर भाग \(x^2\) वही रहता है। इसलिए योग \(3x^2\) है। / The coefficients are (-5+8=3) and the variable part \(x^2\) remains the same. So the sum is \(3x^2\).
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व्यंजक (4(2a-3b)-3(a-2b)) का सरल रूप क्या है?
What is the simplified form of (4(2a-3b)-3(a-2b))?
#algebraic_expressions
#two_variable
#expansion
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A (5a-6b)
B (5a-18b)
C (11a-6b)
D (11a-18b)
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Correct Answer
A. (5a-6b)
Explanation
Simple Explanation
खोलने पर (8a-12b-3a+6b=5a-6b) मिलता है। समान चर वाले पदों को ही जोड़ें। / Expanding gives (8a-12b-3a+6b=5a-6b). Combine only terms with the same variable.
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यदि (x=1), तो \(5x^3-4x^2+3x-2\) का मान क्या होगा?
If (x=1), what is the value of \(5x^3-4x^2+3x-2\)?
#algebraic_expressions
#cubic
#evaluation
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A (0)
B (2)
C (4)
D (6)
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Explanation
Simple Explanation
(x=1) रखने पर (5-4+3-2=2) मिलता है। (1) की हर धनात्मक घात (1) होती है। / Putting (x=1) gives (5-4+3-2=2). Every positive power of (1) is (1).
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कौन सा व्यंजक (x) और (y) के योग के वर्ग में से (xy) घटाने को दर्शाता है?
Which expression represents subtracting (xy) from the square of the sum of (x) and (y)?
#algebraic_expressions
#word_to_expression
#square
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A ((x+y)2 -xy)
B \(x^2+y-xy\)
C \(x+y^2-xy\)
D (xy-(x+y)2 )
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Correct Answer
A. ((x+y)2 -xy)
Explanation
Simple Explanation
पहले योग (x+y) का वर्ग बनता है और फिर (xy) घटता है। पूरे योग के वर्ग के लिए कोष्ठक जरूरी है। / First the square of the sum (x+y) is formed and then (xy) is subtracted. Brackets are necessary for the square of the whole sum.
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व्यंजक (3x-[2x-(x-5)]) का सरल रूप क्या है?
What is the simplified form of (3x-[2x-(x-5)])?
#algebraic_expressions
#nested_brackets
#simplification
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A (2x-5)
B (2x+5)
C (4x-5)
D (4x+5)
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Explanation
Simple Explanation
अंदर से सरल करें (2x-(x-5)=x+5), फिर (3x-(x+5)=2x-5)। अंदरूनी कोष्ठक पहले हटाएं। / Simplify inside first (2x-(x-5)=x+5), then (3x-(x+5)=2x-5). Remove inner brackets first.
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यदि (t=-1), तो \(2t^3-3t^2+4t+6\) का मान क्या होगा?
If (t=-1), what is the value of \(2t^3-3t^2+4t+6\)?
#algebraic_expressions
#negative_power
#evaluation
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A (-3)
B (3)
C (1)
D (5)
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Explanation
Simple Explanation
मान रखने पर (-2-3-4+6=-3) मिलता है। ऋणात्मक संख्या की विषम घात ऋणात्मक रहती है। / Substitution gives (-2-3-4+6=-3). An odd power of a negative number remains negative.
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व्यंजक (9x-2[3x+4(1-x)]) का सरल रूप क्या है?
What is the simplified form of (9x-2[3x+4(1-x)])?
#algebraic_expressions
#complex_brackets
#hard
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A (11x-8)
B (7x-8)
C (11x+8)
D (7x+8)
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Correct Answer
A. (11x-8)
Explanation
Simple Explanation
अंदर (3x+4-4x=4-x), इसलिए (9x-2(4-x)=11x-8)। पहले वर्ग कोष्ठक के अंदर का भाग सरल करें। / Inside, (3x+4-4x=4-x), so (9x-2(4-x)=11x-8). Simplify the expression inside square brackets first.
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यदि (a+b=7) और (ab=10), तो (2(a+b)-ab) का मान क्या होगा?
If (a+b=7) and (ab=10), what is the value of (2(a+b)-ab)?
#algebraic_expressions
#substitution
#given_values
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A (2)
B (4)
C (14)
D (24)
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Explanation
Simple Explanation
दिए गए मान रखने पर (2(7)-10=4) मिलता है। पूरे (a+b) को एक साथ मानें। / Putting the given values gives (2(7)-10=4). Treat the whole (a+b) together.
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किस विकल्प में (2x-3y) और (-5x+7y) का योग सही है?
Which option gives the correct sum of (2x-3y) and (-5x+7y)?
#algebraic_expressions
#addition
#two_variables
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A (-3x+4y)
B (7x-10y)
C (3x+4y)
D (-7x-10y)
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Correct Answer
A. (-3x+4y)
Explanation
Simple Explanation
योग ((2x-3y)+(-5x+7y)=-3x+4y) है। (x) और (y) पदों को अलग-अलग जोड़ें। / The sum is ((2x-3y)+(-5x+7y)=-3x+4y). Add (x) and (y) terms separately.
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यदि (x=2) और (y=3), तो ((x+y)2 -xy) का मान क्या होगा?
If (x=2) and (y=3), what is the value of ((x+y)2 -xy)?
#algebraic_expressions
#square
#evaluation
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A (13)
B (17)
C (19)
D (25)
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Explanation
Simple Explanation
((2+3)2 -2(3)=25-6=19)। पहले कोष्ठक का मान निकालें। / ((2+3)2 -2(3)=25-6=19). Evaluate the bracket first.
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किस व्यंजक में \(x^2\) का गुणांक (-6) है?
In which expression is the coefficient of \(x^2\) equal to (-6)?
#algebraic_expressions
#coefficient
#power
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A \(6x^2-4x\)
B (-6x+2)
C \(-6x^2+5x-1\)
D \(x^2-6x\)
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Correct Answer
C. \(-6x^2+5x-1\)
Explanation
Simple Explanation
\(-6x^2+5x-1\) में \(x^2\) के साथ (-6) जुड़ा है। गुणांक का चिह्न साथ में पढ़ें। / In \(-6x^2+5x-1\), (-6) is attached to \(x^2\). Read the sign with the coefficient.
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व्यंजक \(\frac{3x}{4}+\frac{x}{2}\) का सरल रूप क्या है?
What is the simplified form of \(\frac{3x}{4}+\frac{x}{2}\)?
#algebraic_expressions
#fraction_terms
#simplification
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A \(\frac{x}{4}\)
B \(\frac{5x}{4}\)
C \(\frac{4x}{6}\)
D \(\frac{3x^2}{8}\)
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Correct Answer
B. \(\frac{5x}{4}\)
Explanation
Simple Explanation
\(\frac{x}{2}\) को \(\frac{2x}{4}\) लिखें, तब योग \(\frac{5x}{4}\) होगा। भिन्न पदों में समान हर बनाएं। / Write \(\frac{x}{2}\) as \(\frac{2x}{4}\), then the sum is \(\frac{5x}{4}\). Make common denominators for fraction terms.
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यदि (k) एक संख्या है, तो उससे (3) अधिक संख्या के वर्ग का व्यंजक कौन सा है?
If (k) is a number, which expression represents the square of the number (3) more than it?
#algebraic_expressions
#word_to_expression
#brackets
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A \(k^2+3\)
B (k+9)
C \(3k^2\)
D ((k+3)2 )
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Correct Answer
D. ((k+3)2 )
Explanation
Simple Explanation
(3) अधिक संख्या (k+3) है। उसके वर्ग के लिए ((k+3)2 ) लिखेंगे। / The number (3) more than it is (k+3). For its square, we write ((k+3)2 ).
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व्यंजक (4x-(2x-3)+5(1-x)) का सरल रूप क्या है?
What is the simplified form of (4x-(2x-3)+5(1-x))?
#algebraic_expressions
#mixed_brackets
#simplification
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A (-3x+8)
B (3x+8)
C (7x+2)
D (-7x+2)
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Correct Answer
A. (-3x+8)
Explanation
Simple Explanation
खोलने पर (4x-2x+3+5-5x=-3x+8) मिलता है। कोष्ठक के बाद समान पदों को जोड़ें। / Expanding gives (4x-2x+3+5-5x=-3x+8). Combine like terms after removing brackets.
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यदि (x+y=6) है, तो (3x+3y-4) का मान क्या होगा?
If (x+y=6), what is the value of (3x+3y-4)?
#algebraic_expressions
#given_sum
#evaluation
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A (10)
B (14)
C (18)
D (22)
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Explanation
Simple Explanation
(3x+3y-4=3(x+y)-4=18-4=14)। समान गुणांक हो तो सामान्य गुणक बाहर लें। / (3x+3y-4=3(x+y)-4=18-4=14). When coefficients are the same, take the common factor out.
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किस विकल्प में (6xy-2x+3xy+5x) का सही सरल रूप है?
Which option gives the correct simplified form of (6xy-2x+3xy+5x)?
#algebraic_expressions
#combine_terms
#multivariable
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A (9xy+3x)
B (9xy-7x)
C (3xy+3x)
D \(9x^2y+3x\)
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Correct Answer
A. (9xy+3x)
Explanation
Simple Explanation
(6xy+3xy=9xy) और (-2x+5x=3x)। (xy) और (x) असमान पद हैं। / (6xy+3xy=9xy) and (-2x+5x=3x). (xy) and (x) are unlike terms.
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व्यंजक (2a-[3b-{a-2b}]) का सरल रूप क्या है?
What is the simplified form of (2a-[3b-{a-2b}])?
#algebraic_expressions
#nested_braces
#signs
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A (a-b)
B (3a-b)
C (a-5b)
D (3a-5b)
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Explanation
Simple Explanation
अंदर (3b-(a-2b)=5b-a), फिर (2a-(5b-a)=3a-5b) नहीं बल्कि (3a-5b) है। सही उत्तर (3a-5b) होना चाहिए। / Inside, (3b-(a-2b)=5b-a), then (2a-(5b-a)=3a-5b). The correct result is (3a-5b).
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व्यंजक (3(2x+1)-4(x-2)) का सरल रूप क्या है?
What is the simplified form of (3(2x+1)-4(x-2))?
#algebraic_expressions
#expansion
#hard
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A (10x-5)
B (2x-5)
C (2x+11)
D (10x+11)
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Correct Answer
C. (2x+11)
Explanation
Simple Explanation
कोष्ठक खोलने पर (6x+3-4x+8=2x+11) मिलता है। चिह्नों को पदों के साथ रखें। / Expanding gives (6x+3-4x+8=2x+11). Keep signs with the terms.
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व्यंजक (5a-2b) में से (3a+4b) घटाने पर क्या मिलेगा?
What is obtained by subtracting (3a+4b) from (5a-2b)?
#algebraic_expressions
#subtraction
#hard
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A (2a-6b)
B (8a+2b)
C (2a+2b)
D (8a-6b)
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Correct Answer
A. (2a-6b)
Explanation
Simple Explanation
((5a-2b)-(3a+4b)=5a-2b-3a-4b=2a-6b)। घटाए गए व्यंजक के दोनों चिह्न बदलें। / ((5a-2b)-(3a+4b)=5a-2b-3a-4b=2a-6b). Change both signs of the subtracted expression.
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यदि (x=-2), तो \(x^3-2x^2+5\) का मान क्या होगा?
If (x=-2), what is the value of \(x^3-2x^2+5\)?
#algebraic_expressions
#cubic_evaluation
#hard
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A (-3)
B (5)
C (-7)
D (-11)
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Explanation
Simple Explanation
(x=-2) रखने पर (-8-8+5=-11) मिलता है। ऋणात्मक संख्या की घात ध्यान से निकालें। / Putting (x=-2) gives (-8-8+5=-11). Evaluate powers of negative numbers carefully.
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व्यंजक (2(3p-q)+3(p+2q)) का सरल रूप क्या है?
What is the simplified form of (2(3p-q)+3(p+2q))?
#algebraic_expressions
#two_variable_simplification
#hard
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A (9p-4q)
B (9p+4q)
C (6p+5q)
D (5p+9q)
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Correct Answer
B. (9p+4q)
Explanation
Simple Explanation
खोलने पर (6p-2q+3p+6q=9p+4q) मिलता है। (p) और (q) पदों को अलग जोड़ें। / Expanding gives (6p-2q+3p+6q=9p+4q). Combine (p) and (q) terms separately.
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(9) में से (t) के वर्ग और (2t) के योग को घटाने का सही व्यंजक कौन सा है?
Which expression represents subtracting the sum of the square of (t) and (2t) from (9)?
#algebraic_expressions
#word_to_expression
#hard
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A \(9-t^2+2t\)
B \(t^2+2t-9\)
C (9-\(t^2+2t\))
D \(9t^2-2t\)
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Correct Answer
C. (9-\(t^2+2t\))
Explanation
Simple Explanation
घटाया जाने वाला पूरा योग \(t^2+2t\) है। इसलिए उसे कोष्ठक में रखकर (9-\(t^2+2t\)) लिखते हैं। / The whole sum being subtracted is \(t^2+2t\). So it is written in brackets as (9-\(t^2+2t\)).
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व्यंजक \(\frac{2x}{3}+\frac{x}{6}\) का सरल रूप क्या है?
What is the simplified form of \(\frac{2x}{3}+\frac{x}{6}\)?
#algebraic_expressions
#fraction_terms
#hard
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A \(\frac{x}{2}\)
B \(\frac{5x}{6}\)
C \(\frac{3x}{9}\)
D \(\frac{2x^2}{18}\)
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Correct Answer
B. \(\frac{5x}{6}\)
Explanation
Simple Explanation
\(\frac{2x}{3}=\frac{4x}{6}\), इसलिए योग \(\frac{5x}{6}\) है। भिन्न पदों में समान हर बनाएं। / \(\frac{2x}{3}=\frac{4x}{6}\), so the sum is \(\frac{5x}{6}\). Make a common denominator for fraction terms.
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यदि (m+n=8) और (m-n=2), तो (3(m+n)-2(m-n)) का मान क्या होगा?
If (m+n=8) and (m-n=2), what is the value of (3(m+n)-2(m-n))?
#algebraic_expressions
#given_values
#hard
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A (20)
B (22)
C (24)
D (28)
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Explanation
Simple Explanation
दिए गए मान रखने पर (3(8)-2(2)=20) मिलता है। पूरे कोष्ठक को एक मान की तरह लें। / Using the given values gives (3(8)-2(2)=20). Treat each bracket as one value.
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किस विकल्प में \(2x^2-3x+1\) और \(x^2+5x-4\) का योग सही है?
Which option gives the correct sum of \(2x^2-3x+1\) and \(x^2+5x-4\)?
#algebraic_expressions
#add_polynomials
#hard
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A \(3x^2-8x-3\)
B \(x^2+2x-3\)
C \(3x^2+2x-3\)
D \(3x^2+8x+5\)
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Correct Answer
C. \(3x^2+2x-3\)
Explanation
Simple Explanation
समान पद जोड़ने पर \(3x^2+2x-3\) मिलता है। घात के अनुसार पदों को समूहित करें। / Combining like terms gives \(3x^2+2x-3\). Group the terms according to powers.
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व्यंजक (6x-[2x+{3-x}]) का सरल रूप क्या है?
What is the simplified form of (6x-[2x+{3-x}])?
#algebraic_expressions
#nested_brackets
#hard
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A (5x-3)
B (3x-3)
C (5x+3)
D (3x+3)
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Explanation
Simple Explanation
अंदर (2x+3-x=x+3) है, इसलिए (6x-(x+3)=5x-3)। अंदरूनी कोष्ठक पहले सरल करें। / Inside, (2x+3-x=x+3), so (6x-(x+3)=5x-3). Simplify the inner bracket first.
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यदि (a=2) और (b=-3), तो \(a^2b-ab^2\) का मान क्या होगा?
If (a=2) and (b=-3), what is the value of \(a^2b-ab^2\)?
#algebraic_expressions
#two_variable_evaluation
#hard
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A (-30)
B (-18)
C (6)
D (30)
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Explanation
Simple Explanation
मान रखने पर (4(-3)-2(9)=-12-18=-30) मिलता है। \(b^2\) धनात्मक होगा। / Substitution gives (4(-3)-2(9)=-12-18=-30). \(b^2\) will be positive.
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एक त्रिभुज की भुजाएं (x+2), (2x-1) और (3x+4) हैं। परिमाप का व्यंजक क्या होगा?
The sides of a triangle are (x+2), (2x-1), and (3x+4). What is the expression for its perimeter?
#algebraic_expressions
#geometry
#hard
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A (5x+5)
B (6x+5)
C (6x+7)
D (5x+7)
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Explanation
Simple Explanation
परिमाप सभी भुजाओं का योग है। ((x+2)+(2x-1)+(3x+4)=6x+5)। / Perimeter is the sum of all sides. ((x+2)+(2x-1)+(3x+4)=6x+5).
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व्यंजक (-3(2y-5)+4(y+1)) का सरल रूप क्या है?
What is the simplified form of (-3(2y-5)+4(y+1))?
#algebraic_expressions
#negative_multiplier
#hard
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A (-2y+19)
B (2y+19)
C (-10y+11)
D (10y-11)
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Correct Answer
A. (-2y+19)
Explanation
Simple Explanation
खोलने पर (-6y+15+4y+4=-2y+19) मिलता है। ऋणात्मक गुणक से कोष्ठक खोलते समय सावधानी रखें। / Expanding gives (-6y+15+4y+4=-2y+19). Be careful when expanding with a negative multiplier.
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किस विकल्प में (7ab-3a+2ab+5a) का सही सरल रूप है?
Which option gives the correct simplified form of (7ab-3a+2ab+5a)?
#algebraic_expressions
#multivariable_terms
#hard
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A (9ab+2a)
B \(9a^2b+2a\)
C (5ab+8a)
D (9ab-8a)
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Correct Answer
A. (9ab+2a)
Explanation
Simple Explanation
(7ab+2ab=9ab) और (-3a+5a=2a)। (ab) और (a) को समान पद नहीं मानें। / (7ab+2ab=9ab) and (-3a+5a=2a). Do not treat (ab) and (a) as like terms.
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यदि (x=4), तो \(\frac{x^2-2x}{4}\) का मान क्या होगा?
If (x=4), what is the value of \(\frac{x^2-2x}{4}\)?
#algebraic_expressions
#fraction_evaluation
#hard
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A (1)
B (2)
C (3)
D (4)
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Explanation
Simple Explanation
(x=4) रखने पर \(\frac{16-8}{4}=2\) मिलता है। अंश को पूरा सरल करके भाग दें। / Putting (x=4) gives \(\frac{16-8}{4}=2\). Simplify the whole numerator before dividing.
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व्यंजक (2x(3x+1)-x(4x-5)) का सरल रूप क्या है?
What is the simplified form of (2x(3x+1)-x(4x-5))?
#algebraic_expressions
#product_expansion
#hard
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A \(2x^2+7x\)
B \(10x^2-3x\)
C \(2x^2-3x\)
D \(10x^2+7x\)
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Correct Answer
A. \(2x^2+7x\)
Explanation
Simple Explanation
खोलने पर \(6x^2+2x-4x^2+5x=2x^2+7x\) मिलता है। हर कोष्ठक को अलग से खोलें। / Expanding gives \(6x^2+2x-4x^2+5x=2x^2+7x\). Expand each bracket separately.
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कौन सा व्यंजक (x) और (2) के अंतर के दोगुने में (5) जोड़ने को दर्शाता है?
Which expression represents adding (5) to twice the difference of (x) and (2)?
#algebraic_expressions
#phrase_translation
#hard
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A (2x-2+5)
B (2(x-2)+5)
C (x-2(2+5))
D (2(x+2)-5)
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Correct Answer
B. (2(x-2)+5)
Explanation
Simple Explanation
पहले अंतर (x-2) है, उसका दोगुना (2(x-2)) है। फिर (5) जोड़ने पर (2(x-2)+5) मिलता है। / First the difference is (x-2), and twice it is (2(x-2)). Adding (5) gives (2(x-2)+5).
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यदि (x-y=5), तो (4x-4y+3) का मान क्या होगा?
If (x-y=5), what is the value of (4x-4y+3)?
#algebraic_expressions
#given_difference
#hard
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A (17)
B (20)
C (23)
D (27)
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Explanation
Simple Explanation
(4x-4y+3=4(x-y)+3=4(5)+3=23)। समान गुणांक दिखे तो सामान्य गुणक बाहर लें। / (4x-4y+3=4(x-y)+3=4(5)+3=23). If the same coefficient appears, take it common.
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व्यंजक (8-(3x-2)+2(x-5)) का सरल रूप क्या है?
What is the simplified form of (8-(3x-2)+2(x-5))?
#algebraic_expressions
#simplify_to_monomial
#hard
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A (-x)
B (x)
C (-5x+20)
D (5x-20)
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Explanation
Simple Explanation
खोलने पर (8-3x+2+2x-10=-x) मिलता है। नियतांक पद भी साथ-साथ सरल करें। / Expanding gives (8-3x+2+2x-10=-x). Simplify constant terms together too.
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किस विकल्प में \(2a^2-3ab+4b^2-a^2+5ab-b^2\) का सही सरल रूप है?
Which option gives the correct simplified form of \(2a^2-3ab+4b^2-a^2+5ab-b^2\)?
#algebraic_expressions
#quadratic_two_variables
#hard
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A \(a^2+2ab+3b^2\)
B \(3a^2+2ab+5b^2\)
C \(a^2-8ab+3b^2\)
D \(a^2+2a^2b^2+3b^2\)
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Correct Answer
A. \(a^2+2ab+3b^2\)
Explanation
Simple Explanation
\(2a^2-a^2=a^2\), (-3ab+5ab=2ab), और \(4b^2-b^2=3b^2\)। समान चर भागों को ही जोड़ें। / \(2a^2-a^2=a^2\), (-3ab+5ab=2ab), and \(4b^2-b^2=3b^2\). Combine only matching variable parts.
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यदि (z=-2), तो \(z^4+z^3-z\) का मान क्या होगा?
If (z=-2), what is the value of \(z^4+z^3-z\)?
#algebraic_expressions
#powers
#evaluation
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A (6)
B (8)
C (10)
D (12)
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Explanation
Simple Explanation
(z=-2) रखने पर (16-8+2=10) मिलता है। सम और विषम घातों के चिह्न अलग होते हैं। / Putting (z=-2) gives (16-8+2=10). Even and odd powers have different sign behavior.
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व्यंजक (4(3x-2)-5(x+1)) का सरल रूप क्या है?
What is the simplified form of (4(3x-2)-5(x+1))?
#algebraic_expressions
#hard
#expansion
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A (7x-13)
B (17x-3)
C (7x+13)
D (17x-13)
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Correct Answer
A. (7x-13)
Explanation
Simple Explanation
कोष्ठक खोलने पर (12x-8-5x-5=7x-13) मिलता है। पहले विस्तार करें फिर समान पद जोड़ें। / Expanding gives (12x-8-5x-5=7x-13). Expand first and then combine like terms.
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यदि (x=-3), तो \(2x^2+5x-4\) का मान क्या होगा?
If (x=-3), what is the value of \(2x^2+5x-4\)?
#algebraic_expressions
#hard
#evaluation
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A (-1)
B (1)
C (29)
D (17)
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Explanation
Simple Explanation
मान रखने पर (2(9)-15-4=-1) मिलता है। ऋणात्मक संख्या का वर्ग धनात्मक होता है। / Substitution gives (2(9)-15-4=-1). The square of a negative number is positive.
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व्यंजक \(6a^2-4a+9-2a^2+7a-5\) का सरल रूप क्या है?
What is the simplified form of \(6a^2-4a+9-2a^2+7a-5\)?
#algebraic_expressions
#hard
#like_terms
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A \(8a^2+3a+4\)
B \(4a^2+3a+4\)
C \(4a^2-11a+14\)
D \(8a^2-11a+4\)
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Correct Answer
B. \(4a^2+3a+4\)
Explanation
Simple Explanation
समान पद जोड़ने पर \(6a^2-2a^2=4a^2\), (-4a+7a=3a), और (9-5=4) मिलता है। घात के अनुसार पद समूहित करें। / Combining like terms gives \(6a^2-2a^2=4a^2\), (-4a+7a=3a), and (9-5=4). Group terms by powers.
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(8x-3) में से (2x+7) घटाने पर क्या मिलेगा?
What is obtained by subtracting (2x+7) from (8x-3)?
#algebraic_expressions
#hard
#subtraction
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A (10x+4)
B (6x+4)
C (6x-10)
D (10x-10)
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Correct Answer
C. (6x-10)
Explanation
Simple Explanation
((8x-3)-(2x+7)=8x-3-2x-7=6x-10)। घटाए गए व्यंजक के दोनों पदों के चिह्न बदलें। / ((8x-3)-(2x+7)=8x-3-2x-7=6x-10). Change signs of both terms of the subtracted expression.
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यदि (x=2) और (y=-4), तो \(3x^2-2xy+y\) का मान क्या होगा?
If (x=2) and (y=-4), what is the value of \(3x^2-2xy+y\)?
#algebraic_expressions
#hard
#two_variable_evaluation
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A (16)
B (20)
C (24)
D (28)
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Explanation
Simple Explanation
मान रखने पर (3(4)-2(2)(-4)-4=24) मिलता है। दो चर वाले प्रश्न में चिह्न ध्यान से रखें। / Substitution gives (3(4)-2(2)(-4)-4=24). Keep signs carefully in two-variable questions.
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व्यंजक (5(2m-3n)-2(m+n)) का सरल रूप क्या है?
What is the simplified form of (5(2m-3n)-2(m+n))?
#algebraic_expressions
#hard
#two_variable
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A (8m-17n)
B (8m-13n)
C (12m-17n)
D (12m-13n)
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Correct Answer
A. (8m-17n)
Explanation
Simple Explanation
खोलने पर (10m-15n-2m-2n=8m-17n) मिलता है। (m) और (n) के पद अलग-अलग जोड़ें। / Expanding gives (10m-15n-2m-2n=8m-17n). Combine (m) and (n) terms separately.
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कौन सा व्यंजक (p) और (3) के योग के (4) गुने में से (p) घटाने को दर्शाता है?
Which expression represents subtracting (p) from (4) times the sum of (p) and (3)?
#algebraic_expressions
#hard
#word_expression
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A (4p+3-p)
B (4(p+3)-p)
C (p-4(p+3))
D (4(p-3)+p)
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Correct Answer
B. (4(p+3)-p)
Explanation
Simple Explanation
पहले योग (p+3) है और उसका (4) गुना (4(p+3)) है। फिर उसमें से (p) घटता है। / First the sum is (p+3), and four times it is (4(p+3)). Then (p) is subtracted from it.
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यदि (r=-2), तो \(r^3-4r^2+6r\) का मान क्या होगा?
If (r=-2), what is the value of \(r^3-4r^2+6r\)?
#algebraic_expressions
#hard
#cubic_evaluation
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A (-20)
B (-24)
C (-36)
D (-12)
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Explanation
Simple Explanation
मान रखने पर (-8-16-12=-36) मिलता है। सम और विषम घातों के चिह्न अलग होते हैं। / Substitution gives (-8-16-12=-36). Even and odd powers have different sign behavior.
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व्यंजक (3x-[4x-{2x-5}]) का सरल रूप क्या है?
What is the simplified form of (3x-[4x-{2x-5}])?
#algebraic_expressions
#hard
#nested_brackets
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A (x+5)
B (x-5)
C (5x+5)
D (5x-5)
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Explanation
Simple Explanation
अंदर (4x-(2x-5)=2x+5), फिर (3x-(2x+5)=x-5) नहीं बल्कि (x-5) मिलता है। कोष्ठक सावधानी से खोलें। / Inside (4x-(2x-5)=2x+5), then (3x-(2x+5)=x-5). Handle brackets carefully.
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व्यंजक (3x-[4x-{2x-5}]) का सही सरल रूप कौन सा है?
Which is the correct simplified form of (3x-[4x-{2x-5}])?
#algebraic_expressions
#hard
#braces
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A (x+5)
B (x-5)
C (5x-5)
D (5x+5)
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Explanation
Simple Explanation
अंदर (4x-{2x-5}=2x+5) है। इसलिए (3x-(2x+5)=x-5)। / Inside (4x-{2x-5}=2x+5). Therefore (3x-(2x+5)=x-5).
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किस विकल्प में (7ab-4a+3ab+9a) का सही सरल रूप है?
Which option gives the correct simplified form of (7ab-4a+3ab+9a)?
#algebraic_expressions
#hard
#multivariable_terms
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A (10ab+5a)
B \(10a^2b+5a\)
C (4ab+13a)
D (10ab-13a)
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Correct Answer
A. (10ab+5a)
Explanation
Simple Explanation
(7ab+3ab=10ab) और (-4a+9a=5a)। (ab) और (a) असमान पद हैं। / (7ab+3ab=10ab) and (-4a+9a=5a). (ab) and (a) are unlike terms.
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यदि (a+b=9) और (ab=14), तो (3(a+b)-2ab) का मान क्या होगा?
If (a+b=9) and (ab=14), what is the value of (3(a+b)-2ab)?
#algebraic_expressions
#hard
#given_values
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A (-1)
B (1)
C (13)
D (41)
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Explanation
Simple Explanation
दिए गए मान रखने पर (3(9)-2(14)=27-28=-1) मिलता है। पूरे (a+b) को एक मान की तरह लें। / Using the given values gives (3(9)-2(14)=27-28=-1). Treat the whole (a+b) as one value.
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व्यंजक (2x(5x-3)-3x(2x+1)) का सरल रूप क्या है?
What is the simplified form of (2x(5x-3)-3x(2x+1))?
#algebraic_expressions
#hard
#product_expansion
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A \(4x^2-9x\)
B \(16x^2-3x\)
C \(4x^2+9x\)
D \(16x^2-9x\)
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Correct Answer
A. \(4x^2-9x\)
Explanation
Simple Explanation
खोलने पर \(10x^2-6x-6x^2-3x=4x^2-9x\) मिलता है। हर गुणन को अलग से करें। / Expanding gives \(10x^2-6x-6x^2-3x=4x^2-9x\). Do each multiplication separately.
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किस विकल्प में \(-3x^2\) और \(8x^2\) का अंतर \(-3x^2-8x^2\) सही है?
Which option gives the correct difference \(-3x^2-8x^2\)?
#algebraic_expressions
#hard
#subtract_like_terms
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A \(-11x^2\)
B \(5x^2\)
C \(-5x^2\)
D \(-11x^4\)
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Correct Answer
A. \(-11x^2\)
Explanation
Simple Explanation
समान पदों के गुणांक (-3-8=-11) हैं। चर भाग \(x^2\) वही रहता है। / The coefficients of like terms are (-3-8=-11). The variable part \(x^2\) remains the same.
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यदि (x=4), तो \(\frac{x^2+2x-8}{4}\) का मान क्या होगा?
If (x=4), what is the value of \(\frac{x^2+2x-8}{4}\)?
#algebraic_expressions
#hard
#fraction_evaluation
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A (4)
B (5)
C (6)
D (8)
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Explanation
Simple Explanation
मान रखने पर \(\frac{16+8-8}{4}=\frac{16}{4}=4\) मिलता है। पहले पूरा अंश सरल करें। / Substitution gives \(\frac{16+8-8}{4}=\frac{16}{4}=4\). Simplify the whole numerator first.
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व्यंजक (9-(2x-3)+4(x-1)) का सरल रूप क्या है?
What is the simplified form of (9-(2x-3)+4(x-1))?
#algebraic_expressions
#hard
#signs
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A (2x+8)
B (2x+14)
C (6x+8)
D (6x-14)
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Explanation
Simple Explanation
खोलने पर (9-2x+3+4x-4=2x+8) मिलता है। कोष्ठक के बाहर ऋण हो तो चिह्न बदलें। / Expanding gives (9-2x+3+4x-4=2x+8). If a minus is outside the bracket, change signs.
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एक त्रिभुज की भुजाएं (2x+1), (x+6) और (3x-4) हैं। परिमाप का व्यंजक क्या होगा?
The sides of a triangle are (2x+1), (x+6), and (3x-4). What is the expression for its perimeter?
#algebraic_expressions
#hard
#perimeter
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A (5x+3)
B (6x+3)
C (6x+11)
D (5x+11)
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Explanation
Simple Explanation
परिमाप सभी भुजाओं का योग है। ((2x+1)+(x+6)+(3x-4)=6x+3)। / Perimeter is the sum of all sides. ((2x+1)+(x+6)+(3x-4)=6x+3).
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व्यंजक (4p-[2p-{3p-(p-2)}]) का सरल रूप क्या है?
What is the simplified form of (4p-[2p-{3p-(p-2)}])?
#algebraic_expressions
#hard
#nested_simplification
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A (4p+2)
B (4p-2)
C (2p+2)
D (2p-2)
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Explanation
Simple Explanation
अंदर (3p-(p-2)=2p+2), फिर (2p-(2p+2)=-2), इसलिए (4p-(-2)=4p+2)। अंदर से बाहर की ओर सरल करें। / Inside (3p-(p-2)=2p+2), then (2p-(2p+2)=-2), so (4p-(-2)=4p+2). Simplify from inside to outside.
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यदि (u=-1) और (v=3), तो \(u^2v-uv^2+2u\) का मान क्या होगा?
If (u=-1) and (v=3), what is the value of \(u^2v-uv^2+2u\)?
#algebraic_expressions
#hard
#two_variable_power
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A (8)
B (10)
C (12)
D (14)
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Explanation
Simple Explanation
मान रखने पर (1(3)-(-1)(9)+2(-1)=10) मिलता है। \(uv^2\) के चिह्न को सावधानी से निकालें। / Substitution gives (1(3)-(-1)(9)+2(-1)=10). Find the sign of \(uv^2\) carefully.
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कौन सा व्यंजक (x) से (4) कम संख्या के वर्ग को दर्शाता है?
Which expression represents the square of the number (4) less than (x)?
#algebraic_expressions
#hard
#word_to_expression
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A \(x^2-4\)
B \(x-4^2\)
C ((x-4)2 )
D \(4-x^2\)
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Correct Answer
C. ((x-4)2 )
Explanation
Simple Explanation
(4) कम संख्या (x-4) है। पूरे अंतर के वर्ग के लिए ((x-4)2 ) लिखते हैं। / The number (4) less than (x) is (x-4). To square the whole difference, write ((x-4)2 ).
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व्यंजक \(7x^2-2xy+5xy-3x^2\) का सरल रूप क्या है?
What is the simplified form of \(7x^2-2xy+5xy-3x^2\)?
#algebraic_expressions
#hard
#combine_terms
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A \(4x^2+3xy\)
B \(10x^2+3xy\)
C \(4x^2-7xy\)
D \(10x^2-7xy\)
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Correct Answer
A. \(4x^2+3xy\)
Explanation
Simple Explanation
\(7x^2-3x^2=4x^2\) और (-2xy+5xy=3xy)। \(x^2\) और (xy) अलग चर भाग हैं। / \(7x^2-3x^2=4x^2\) and (-2xy+5xy=3xy). \(x^2\) and (xy) are different variable parts.
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यदि (x-y=8), तो (5x-5y-6) का मान क्या होगा?
If (x-y=8), what is the value of (5x-5y-6)?
#algebraic_expressions
#hard
#given_difference
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A (34)
B (40)
C (46)
D (14)
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Explanation
Simple Explanation
(5x-5y-6=5(x-y)-6=5(8)-6=34)। समान गुणांक हो तो सामान्य गुणक निकालें। / (5x-5y-6=5(x-y)-6=5(8)-6=34). If coefficients are same, take the common factor.
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व्यंजक (3(2x-y)-2(x-3y)+4y) का सरल रूप क्या है?
What is the simplified form of (3(2x-y)-2(x-3y)+4y)?
#algebraic_expressions
#hard
#linear_combination
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A (4x+7y)
B (4x+13y)
C (8x+7y)
D (8x+13y)
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Correct Answer
A. (4x+7y)
Explanation
Simple Explanation
खोलने पर (6x-3y-2x+6y+4y=4x+7y) मिलता है। समान चर वाले पद जोड़ें। / Expanding gives (6x-3y-2x+6y+4y=4x+7y). Combine terms with the same variable.
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किस विकल्प में \(x^2-3x+2\) और \(2x^2+x-5\) का योग सही है?
Which option gives the correct sum of \(x^2-3x+2\) and \(2x^2+x-5\)?
#algebraic_expressions
#hard
#polynomial_addition
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A \(3x^2-2x-3\)
B \(x^2-4x+7\)
C \(3x^2+2x-3\)
D \(3x^2-4x+7\)
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Correct Answer
A. \(3x^2-2x-3\)
Explanation
Simple Explanation
योग में \(x^2+2x^2=3x^2\), (-3x+x=-2x), और (2-5=-3) है। समान पदों को अलग-अलग जोड़ें। / In the sum, \(x^2+2x^2=3x^2\), (-3x+x=-2x), and (2-5=-3). Add like terms separately.
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यदि (x=0), तो \(7x^3-5x^2+2x-9\) का मान क्या होगा?
If (x=0), what is the value of \(7x^3-5x^2+2x-9\)?
#algebraic_expressions
#hard
#zero_substitution
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A (0)
B (-9)
C (9)
D (2)
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Explanation
Simple Explanation
(x=0) रखने पर चर वाले सभी पद (0) हो जाते हैं। इसलिए मान (-9) है। / Putting (x=0) makes all variable terms (0). Therefore the value is (-9).
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व्यंजक (2a-3[4a-2(a-5)]) का सरल रूप क्या है?
What is the simplified form of (2a-3[4a-2(a-5)])?
#algebraic_expressions
#hard
#bracket_error
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A (2a-30)
B (-4a-30)
C (-4a+30)
D (2a+30)
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Correct Answer
C. (-4a+30)
Explanation
Simple Explanation
अंदर (4a-2a+10=2a+10), इसलिए (2a-3(2a+10)=-4a-30) नहीं बल्कि (-4a-30) है। सही चिह्नों को अंत तक रखें। / Inside (4a-2a+10=2a+10), so (2a-3(2a+10)=-4a-30). Keep signs correctly till the end.
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व्यंजक (2a-3[4a-2(a-5)]) का सही सरल रूप कौन सा है?
Which is the correct simplified form of (2a-3[4a-2(a-5)])?
#algebraic_expressions
#hard
#bracket_simplification
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A (2a-30)
B (-4a-30)
C (-4a+30)
D (8a-30)
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Correct Answer
B. (-4a-30)
Explanation
Simple Explanation
अंदर (4a-2(a-5)=2a+10) है। इसलिए (2a-3(2a+10)=-4a-30)। / Inside (4a-2(a-5)=2a+10). Therefore (2a-3(2a+10)=-4a-30).
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यदि (m=3) और (n=-2), तो \(m^2n-mn^2\) का मान क्या होगा?
If (m=3) and (n=-2), what is the value of \(m^2n-mn^2\)?
#algebraic_expressions
#hard
#signed_evaluation
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A (-30)
B (6)
C (-6)
D (30)
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Explanation
Simple Explanation
मान रखने पर (9(-2)-3(4)=-18-12=-30) मिलता है। \(n^2\) धनात्मक होगा। / Substitution gives (9(-2)-3(4)=-18-12=-30). \(n^2\) will be positive.
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किस विकल्प में (5(x+2)-[3x-{x-4}]) का सही सरल रूप है?
Which option gives the correct simplified form of (5(x+2)-[3x-{x-4}])?
#algebraic_expressions
#hard
#mixed_brackets
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A (3x+6)
B (3x+14)
C (7x+6)
D (7x+14)
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Explanation
Simple Explanation
अंदर (3x-(x-4)=2x+4), इसलिए (5x+10-(2x+4)=3x+6)। अंदरूनी कोष्ठक पहले सरल करें। / Inside (3x-(x-4)=2x+4), so (5x+10-(2x+4)=3x+6). Simplify the inner bracket first.
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(x) से (2) अधिक संख्या और (x) से (3) कम संख्या के योग का व्यंजक क्या होगा?
What is the expression for the sum of the number (2) more than (x) and the number (3) less than (x)?
#algebraic_expressions
#hard
#word_problem
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A (2x-1)
B (2x+5)
C (x-1)
D (x+5)
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Explanation
Simple Explanation
दो संख्याएं (x+2) और (x-3) हैं। उनका योग (2x-1) है। / The two numbers are (x+2) and (x-3). Their sum is (2x-1).
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व्यंजक \(\frac{5x}{6}-\frac{x}{3}\) का सरल रूप क्या है?
What is the simplified form of \(\frac{5x}{6}-\frac{x}{3}\)?
#algebraic_expressions
#hard
#fraction_terms
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A \(\frac{x}{2}\)
B \(\frac{7x}{6}\)
C \(\frac{4x}{3}\)
D \(\frac{5x^2}{18}\)
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Correct Answer
A. \(\frac{x}{2}\)
Explanation
Simple Explanation
\(\frac{x}{3}=\frac{2x}{6}\), इसलिए \(\frac{5x}{6}-\frac{2x}{6}=\frac{x}{2}\)। भिन्न पदों में समान हर बनाएं। / \(\frac{x}{3}=\frac{2x}{6}\), so \(\frac{5x}{6}-\frac{2x}{6}=\frac{x}{2}\). Make common denominators for fraction terms.
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यदि (x+y=5) और (x-y=1), तो (2(x+y)+3(x-y)) का मान क्या होगा?
If (x+y=5) and (x-y=1), what is the value of (2(x+y)+3(x-y))?
#algebraic_expressions
#hard
#substitution_given
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A (13)
B (11)
C (10)
D (8)
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Explanation
Simple Explanation
दिए गए मान रखने पर (2(5)+3(1)=13) मिलता है। पूरे कोष्ठक को एक मान की तरह उपयोग करें। / Using the given values gives (2(5)+3(1)=13). Use the whole bracket as one value.
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व्यंजक \(6x^2-4xy+2y^2-3x^2+9xy-y^2\) का सरल रूप क्या है?
What is the simplified form of \(6x^2-4xy+2y^2-3x^2+9xy-y^2\)?
#algebraic_expressions
#hard
#quadratic_two_variables
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A \(3x^2+5xy+y^2\)
B \(9x^2+5xy+y^2\)
C \(3x^2-13xy+y^2\)
D \(9x^2+13xy+3y^2\)
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Correct Answer
A. \(3x^2+5xy+y^2\)
Explanation
Simple Explanation
\(x^2\), (xy), और \(y^2\) पदों को अलग जोड़ने पर \(3x^2+5xy+y^2\) मिलता है। अलग चर भागों को न मिलाएं। / Combining \(x^2\), (xy), and \(y^2\) terms separately gives \(3x^2+5xy+y^2\). Do not mix different variable parts.
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व्यंजक (10-[3x-2(4-x)]) का सरल रूप क्या है?
What is the simplified form of (10-[3x-2(4-x)])?
#algebraic_expressions
#hard
#square_brackets
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A (18-x)
B (18-5x)
C (2+5x)
D (2+x)
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Correct Answer
B. (18-5x)
Explanation
Simple Explanation
अंदर (3x-8+2x=5x-8), इसलिए (10-(5x-8)=18-5x)। वर्ग कोष्ठक के बाहर का ऋण चिह्न ध्यान से लगाएं। / Inside (3x-8+2x=5x-8), so (10-(5x-8)=18-5x). Apply the outside negative sign carefully.
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यदि (t=2), तो \(3t^4-2t^3+t\) का मान क्या होगा?
If (t=2), what is the value of \(3t^4-2t^3+t\)?
#algebraic_expressions
#hard
#power_evaluation
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A (34)
B (36)
C (38)
D (40)
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Explanation
Simple Explanation
मान रखने पर (3(16)-2(8)+2=34) मिलता है। बड़ी घातों को पहले निकालें। / Substitution gives (3(16)-2(8)+2=34). Evaluate higher powers first.
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कौन सा व्यंजक (a) और (b) के अंतर के (3) गुने में उनके योग को जोड़ता है?
Which expression adds the sum of (a) and (b) to (3) times their difference?
#algebraic_expressions
#hard
#phrase_expression
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A (3(a-b)+(a+b))
B (3(a+b)+(a-b))
C (3a-b+a+b)
D (a-b+3(a+b))
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Correct Answer
A. (3(a-b)+(a+b))
Explanation
Simple Explanation
अंतर (a-b) है और उसका (3) गुना (3(a-b)) है। इसमें योग (a+b) जोड़ने पर (3(a-b)+(a+b)) बनता है। / The difference is (a-b), and three times it is (3(a-b)). Adding the sum (a+b) gives (3(a-b)+(a+b)).
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व्यंजक ((2x+3)+(4x-7)-(x+5)) का सरल रूप क्या है?
What is the simplified form of ((2x+3)+(4x-7)-(x+5))?
#algebraic_expressions
#hard
#add_subtract_expressions
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A (5x-9)
B (7x+1)
C (5x+1)
D (7x-9)
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Explanation
Simple Explanation
कोष्ठक हटाने पर (2x+3+4x-7-x-5=5x-9) मिलता है। घटाए गए कोष्ठक के चिह्न बदलें। / Removing brackets gives (2x+3+4x-7-x-5=5x-9). Change signs of the subtracted bracket.
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यदि (p=-1), तो \(p^4+2p^3-3p^2+4\) का मान क्या होगा?
If (p=-1), what is the value of \(p^4+2p^3-3p^2+4\)?
#algebraic_expressions
#hard
#negative_one_power
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A (0)
B (2)
C (4)
D (6)
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Explanation
Simple Explanation
मान रखने पर (1-2-3+4=0) मिलता है। (-1) की सम घात (1) और विषम घात (-1) होती है। / Substitution gives (1-2-3+4=0). Even powers of (-1) are (1), and odd powers are (-1).
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किस विकल्प में (4x-2y) में से (x+5y) घटाने का सही परिणाम है?
Which option gives the correct result of subtracting (x+5y) from (4x-2y)?
#algebraic_expressions
#hard
#two_variable_subtraction
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A (3x-7y)
B (5x+3y)
C (3x+3y)
D (5x-7y)
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Correct Answer
A. (3x-7y)
Explanation
Simple Explanation
((4x-2y)-(x+5y)=4x-2y-x-5y=3x-7y)। घटाते समय पूरे दूसरे व्यंजक के चिह्न बदलें। / ((4x-2y)-(x+5y)=4x-2y-x-5y=3x-7y). Change signs of the whole second expression while subtracting.
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व्यंजक \(3x^2y-5xy^2+7x^2y-2xy^2\) का सरल रूप क्या है?
What is the simplified form of \(3x^2y-5xy^2+7x^2y-2xy^2\)?
#algebraic_expressions
#hard
#multivariable_powers
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A \(10x^2y-7xy^2\)
B \(10x^2y+3xy^2\)
C \(-4x^2y-7xy^2\)
D \(10x^3y^3-7xy^2\)
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Correct Answer
A. \(10x^2y-7xy^2\)
Explanation
Simple Explanation
\(3x^2y+7x^2y=10x^2y\) और \(-5xy^2-2xy^2=-7xy^2\)। घातें समान हों तभी पद समान होते हैं। / \(3x^2y+7x^2y=10x^2y\) and \(-5xy^2-2xy^2=-7xy^2\). Terms are like only when powers match.
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यदि (q=3), तो \(\frac{q^3-q}{3}\) का मान क्या होगा?
If (q=3), what is the value of \(\frac{q^3-q}{3}\)?
#algebraic_expressions
#hard
#cubic_fraction
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A (8)
B (6)
C (9)
D (12)
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Explanation
Simple Explanation
(q=3) रखने पर \(\frac{27-3}{3}=8\) मिलता है। अंश को पहले पूरा सरल करें। / Putting (q=3) gives \(\frac{27-3}{3}=8\). Simplify the numerator completely first.
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(n) से शुरू होने वाली चार लगातार पूर्ण संख्याओं का योग क्या होगा?
What is the sum of four consecutive integers starting from (n)?
#algebraic_expressions
#hard
#consecutive_integers
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A (4n+6)
B (4n+4)
C (4n+10)
D (n+6)
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Explanation
Simple Explanation
चार संख्याएं (n), (n+1), (n+2), (n+3) हैं। उनका योग (4n+6) है। / The four numbers are (n), (n+1), (n+2), and (n+3). Their sum is (4n+6).
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व्यंजक (2(3x-4)-[x-2(1-x)]) का सरल रूप क्या है?
What is the simplified form of (2(3x-4)-[x-2(1-x)])?
#algebraic_expressions
#hard
#complex_brackets
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A (3x-6)
B (3x-10)
C (7x-6)
D (7x-10)
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Explanation
Simple Explanation
अंदर (x-2+2x=3x-2), इसलिए (6x-8-(3x-2)=3x-6)। पहले वर्ग कोष्ठक के अंदर सरल करें। / Inside (x-2+2x=3x-2), so (6x-8-(3x-2)=3x-6). Simplify inside the square bracket first.
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यदि (x=2) और (y=1), तो (2(x+y)2 -3xy) का मान क्या होगा?
If (x=2) and (y=1), what is the value of (2(x+y)2 -3xy)?
#algebraic_expressions
#hard
#evaluation_check
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A (12)
B (15)
C (18)
D (21)
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Explanation
Simple Explanation
मान रखने पर (2(3)2 -3(2)(1)=18-6=12) नहीं बल्कि (12) है। गणना में कोष्ठक पहले करें। / Substitution gives (2(3)2 -3(2)(1)=18-6=12). Evaluate brackets first.
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यदि (x=2) और (y=1), तो (2(x+y)2 -3xy) का सही मान क्या है?
If (x=2) and (y=1), what is the correct value of (2(x+y)2 -3xy)?
#algebraic_expressions
#hard
#two_variable_square
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A (12)
B (15)
C (18)
D (21)
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Explanation
Simple Explanation
(2(x+y)2 -3xy=2(3)2 -3(2)(1)=18-6=12)। कोष्ठक और वर्ग पहले निकालें। / (2(x+y)2 -3xy=2(3)2 -3(2)(1)=18-6=12). Evaluate brackets and squares first.
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किस विकल्प में (2a-3b+5a+7b-4a) का सही सरल रूप है?
Which option gives the correct simplified form of (2a-3b+5a+7b-4a)?
#algebraic_expressions
#hard
#linear_terms
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A (3a+4b)
B (11a+4b)
C (3a-10b)
D (11a-10b)
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Correct Answer
A. (3a+4b)
Explanation
Simple Explanation
(2a+5a-4a=3a) और (-3b+7b=4b)। समान चर के पद ही मिलाएं। / (2a+5a-4a=3a) and (-3b+7b=4b). Combine only terms with the same variable.
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एक आयत की लंबाई (3x-2) और चौड़ाई (2x+5) है। परिमाप का व्यंजक क्या होगा?
A rectangle has length (3x-2) and breadth (2x+5). What is the expression for its perimeter?
#algebraic_expressions
#hard
#rectangle_perimeter
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A (10x+6)
B (5x+3)
C (10x+3)
D (5x+6)
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Correct Answer
A. (10x+6)
Explanation
Simple Explanation
परिमाप (2[(3x-2)+(2x+5)]=2(5x+3)=10x+6) है। पहले लंबाई और चौड़ाई जोड़ें। / The perimeter is (2[(3x-2)+(2x+5)]=2(5x+3)=10x+6). Add length and breadth first.
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यदि (x=1), तो \(4x^3-6x^2+5x-7\) का मान क्या होगा?
If (x=1), what is the value of \(4x^3-6x^2+5x-7\)?
#algebraic_expressions
#hard
#value_at_one
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A (-4)
B (-3)
C (3)
D (4)
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Explanation
Simple Explanation
(x=1) रखने पर (4-6+5-7=-4) मिलता है। (1) की हर धनात्मक घात (1) होती है। / Putting (x=1) gives (4-6+5-7=-4). Every positive power of (1) is (1).
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व्यंजक (5x-2[3x-{x+4}]) का सरल रूप क्या है?
What is the simplified form of (5x-2[3x-{x+4}])?
#algebraic_expressions
#hard
#braces_simplification
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A (x+8)
B (x-8)
C (9x+8)
D (9x-8)
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Explanation
Simple Explanation
अंदर (3x-(x+4)=2x-4), इसलिए (5x-2(2x-4)=x+8)। अंदरूनी कोष्ठक पहले हटाएं। / Inside (3x-(x+4)=2x-4), so (5x-2(2x-4)=x+8). Remove inner brackets first.
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किस विकल्प में \(3x^2-2x+7\) में से \(x^2+4x-5\) घटाने का सही परिणाम है?
Which option gives the correct result of subtracting \(x^2+4x-5\) from \(3x^2-2x+7\)?
#algebraic_expressions
#hard
#polynomial_subtraction
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A \(2x^2-6x+12\)
B \(4x^2+2x+2\)
C \(2x^2+2x+12\)
D \(4x^2-6x+2\)
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Correct Answer
A. \(2x^2-6x+12\)
Explanation
Simple Explanation
(\(3x^2-2x+7\)-\(x^2+4x-5\)=2x-2 -6x+12)। घटाते समय दूसरे व्यंजक के सभी चिह्न बदलें। / (\(3x^2-2x+7\)-\(x^2+4x-5\)=2x-2 -6x+12). Change all signs of the second expression while subtracting.
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व्यंजक (7(2x-3)-4(3x+5)) का सरल रूप क्या है?
What is the simplified form of (7(2x-3)-4(3x+5))?
#algebraic_expressions
#expansion
#hard
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A (2x-41)
B (26x-1)
C (2x-1)
D (26x-41)
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Correct Answer
A. (2x-41)
Explanation
Simple Explanation
कोष्ठक खोलने पर (14x-21-12x-20=2x-41) मिलता है। पहले विस्तार करें फिर समान पद जोड़ें। / Expanding gives (14x-21-12x-20=2x-41). Expand first and then combine like terms.
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यदि (x=-4), तो \(3x^2+2x-7\) का मान क्या होगा?
If (x=-4), what is the value of \(3x^2+2x-7\)?
#algebraic_expressions
#evaluation
#negative_value
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A (25)
B (33)
C (49)
D (57)
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Explanation
Simple Explanation
मान रखने पर (3(16)-8-7=33) मिलता है। ऋणात्मक संख्या का वर्ग धनात्मक होता है। / Substitution gives (3(16)-8-7=33). The square of a negative number is positive.
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व्यंजक \(9a^2-6a+11-4a^2+13a-8\) का सरल रूप क्या है?
What is the simplified form of \(9a^2-6a+11-4a^2+13a-8\)?
#algebraic_expressions
#like_terms
#quadratic
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A \(13a^2+7a+3\)
B \(5a^2-19a+19\)
C \(5a^2+7a+3\)
D \(13a^2-19a+3\)
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Correct Answer
C. \(5a^2+7a+3\)
Explanation
Simple Explanation
समान पद जोड़ने पर \(9a^2-4a^2=5a^2\), (-6a+13a=7a), और (11-8=3) मिलता है। घात के अनुसार पदों को समूहित करें। / Combining like terms gives \(9a^2-4a^2=5a^2\), (-6a+13a=7a), and (11-8=3). Group terms by powers.
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(11x-9) में से (4x-15) घटाने पर क्या मिलेगा?
What is obtained by subtracting (4x-15) from (11x-9)?
#algebraic_expressions
#subtraction
#signs
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A (7x-24)
B (15x-24)
C (15x+6)
D (7x+6)
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Explanation
Simple Explanation
((11x-9)-(4x-15)=11x-9-4x+15=7x+6)। घटाए गए व्यंजक के सभी चिह्न बदलें। / ((11x-9)-(4x-15)=11x-9-4x+15=7x+6). Change all signs of the subtracted expression.
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यदि (p=3) और (q=-2), तो \(p^2q-2pq^2+q\) का मान क्या होगा?
If (p=3) and (q=-2), what is the value of \(p^2q-2pq^2+q\)?
#algebraic_expressions
#two_variable_evaluation
#hard
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A (-44)
B (-40)
C (4)
D (8)
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Explanation
Simple Explanation
मान रखने पर (9(-2)-2(3)(4)-2=-44) मिलता है। \(q^2\) धनात्मक होगा लेकिन (q) ऋणात्मक रहेगा। / Substitution gives (9(-2)-2(3)(4)-2=-44). \(q^2\) will be positive but (q) remains negative.
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व्यंजक (6(3m-2n)-5(m-4n)) का सरल रूप क्या है?
What is the simplified form of (6(3m-2n)-5(m-4n))?
#algebraic_expressions
#two_variable
#expansion
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A (23m+8n)
B (13m+8n)
C (13m-32n)
D (23m-32n)
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Correct Answer
B. (13m+8n)
Explanation
Simple Explanation
खोलने पर (18m-12n-5m+20n=13m+8n) मिलता है। (m) और (n) वाले पद अलग-अलग जोड़ें। / Expanding gives (18m-12n-5m+20n=13m+8n). Combine (m) and (n) terms separately.
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कौन सा व्यंजक (x) और (5) के अंतर के (3) गुने में (2x) जोड़ने को दर्शाता है?
Which expression represents adding (2x) to (3) times the difference of (x) and (5)?
#algebraic_expressions
#word_expression
#brackets
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A (3x-5+2x)
B (3(x+5)+2x)
C (3(x-5)+2x)
D (2x-3(x-5))
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Correct Answer
C. (3(x-5)+2x)
Explanation
Simple Explanation
अंतर (x-5) है और उसका (3) गुना (3(x-5)) है। उसमें (2x) जोड़ने पर (3(x-5)+2x) मिलता है। / The difference is (x-5), and three times it is (3(x-5)). Adding (2x) gives (3(x-5)+2x).
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यदि (r=-3), तो \(2r^3+5r^2-4r\) का मान क्या होगा?
If (r=-3), what is the value of \(2r^3+5r^2-4r\)?
#algebraic_expressions
#cubic_evaluation
#hard
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A (3)
B (9)
C (15)
D (21)
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Explanation
Simple Explanation
मान रखने पर (2(-27)+5(9)+12=3) मिलता है। विषम घात में ऋणात्मक चिह्न बना रहता है। / Substitution gives (2(-27)+5(9)+12=3). In an odd power, the negative sign remains.
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व्यंजक (5x-[3x-{2x+7}]) का सरल रूप क्या है?
What is the simplified form of (5x-[3x-{2x+7}])?
#algebraic_expressions
#nested_brackets
#hard
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A (4x+7)
B (4x-7)
C (6x+7)
D (6x-7)
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Explanation
Simple Explanation
अंदर (3x-(2x+7)=x-7), इसलिए (5x-(x-7)=4x+7)। अंदरूनी कोष्ठक पहले हल करें। / Inside (3x-(2x+7)=x-7), so (5x-(x-7)=4x+7). Solve the inner bracket first.
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किस विकल्प में (8ab-5a+6ab-9a) का सही सरल रूप है?
Which option gives the correct simplified form of (8ab-5a+6ab-9a)?
#algebraic_expressions
#multivariable_terms
#hard
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A (14ab+4a)
B (14ab-14a)
C (2ab-14a)
D \(14a^2b-14a\)
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Correct Answer
B. (14ab-14a)
Explanation
Simple Explanation
(8ab+6ab=14ab) और (-5a-9a=-14a)। (ab) और (a) असमान पद हैं। / (8ab+6ab=14ab) and (-5a-9a=-14a). (ab) and (a) are unlike terms.
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यदि (a+b=12) और (ab=20), तो (4(a+b)-3ab) का मान क्या होगा?
If (a+b=12) and (ab=20), what is the value of (4(a+b)-3ab)?
#algebraic_expressions
#given_values
#hard
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A (-12)
B (8)
C (28)
D (108)
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Explanation
Simple Explanation
दिए गए मान रखने पर (4(12)-3(20)=48-60=-12) मिलता है। पूरे (a+b) को एक मान की तरह लें। / Using the given values gives (4(12)-3(20)=48-60=-12). Treat the whole (a+b) as one value.
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व्यंजक (3x(4x-5)-2x(5x+1)) का सरल रूप क्या है?
What is the simplified form of (3x(4x-5)-2x(5x+1))?
#algebraic_expressions
#product_expansion
#hard
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A \(22x^2-13x\)
B \(2x^2-17x\)
C \(22x^2-17x\)
D \(2x^2-13x\)
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Correct Answer
B. \(2x^2-17x\)
Explanation
Simple Explanation
खोलने पर \(12x^2-15x-10x^2-2x=2x^2-17x\) मिलता है। हर गुणन को अलग से करें। / Expanding gives \(12x^2-15x-10x^2-2x=2x^2-17x\). Do each multiplication separately.
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किस विकल्प में \(4x^2\) और \(-11x^2\) का योग सही है?
Which option gives the correct sum of \(4x^2\) and \(-11x^2\)?
#algebraic_expressions
#add_like_terms
#powers
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A \(15x^2\)
B \(7x^2\)
C \(-7x^2\)
D \(-7x^4\)
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Correct Answer
C. \(-7x^2\)
Explanation
Simple Explanation
गुणांक (4+(-11)=-7) हैं और चर भाग \(x^2\) वही रहता है। इसलिए योग \(-7x^2\) है। / The coefficients are (4+(-11)=-7), and the variable part \(x^2\) remains the same. So the sum is \(-7x^2\).
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यदि (x=6), तो \(\frac{x^2-3x+6}{3}\) का मान क्या होगा?
If (x=6), what is the value of \(\frac{x^2-3x+6}{3}\)?
#algebraic_expressions
#fraction_evaluation
#hard
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A (6)
B (8)
C (10)
D (12)
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Explanation
Simple Explanation
मान रखने पर \(\frac{36-18+6}{3}=\frac{24}{3}=8\) मिलता है। पूरा अंश पहले सरल करें। / Substitution gives \(\frac{36-18+6}{3}=\frac{24}{3}=8\). Simplify the whole numerator first.
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व्यंजक (12-(4x-7)+3(x-5)) का सरल रूप क्या है?
What is the simplified form of (12-(4x-7)+3(x-5))?
#algebraic_expressions
#signs
#simplification
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A (x+4)
B (-x+4)
C (-x+34)
D (7x-10)
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Explanation
Simple Explanation
खोलने पर (12-4x+7+3x-15=-x+4) मिलता है। कोष्ठक से पहले ऋण हो तो चिह्न बदलें। / Expanding gives (12-4x+7+3x-15=-x+4). Change signs if a minus is before a bracket.
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एक त्रिभुज की भुजाएं (3x+2), (2x-7) और (x+9) हैं। परिमाप का व्यंजक क्या होगा?
The sides of a triangle are (3x+2), (2x-7), and (x+9). What is the expression for its perimeter?
#algebraic_expressions
#geometry
#perimeter
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A (5x+4)
B (6x+18)
C (6x+4)
D (5x+18)
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Explanation
Simple Explanation
परिमाप सभी भुजाओं का योग है। ((3x+2)+(2x-7)+(x+9)=6x+4)। / Perimeter is the sum of all sides. ((3x+2)+(2x-7)+(x+9)=6x+4).
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व्यंजक (6p-[3p-{4p-(p+6)}]) का सरल रूप क्या है?
What is the simplified form of (6p-[3p-{4p-(p+6)}])?
#algebraic_expressions
#nested_simplification
#hard
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A (6p+6)
B (6p-6)
C (2p+6)
D (2p-6)
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Explanation
Simple Explanation
अंदर (4p-(p+6)=3p-6), फिर (3p-(3p-6)=6), इसलिए (6p-6)। अंदर से बाहर की ओर सरल करें। / Inside (4p-(p+6)=3p-6), then (3p-(3p-6)=6), so (6p-6). Simplify from inside to outside.
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यदि (u=2) और (v=-5), तो \(u^2v+uv^2-3u\) का मान क्या होगा?
If (u=2) and (v=-5), what is the value of \(u^2v+uv^2-3u\)?
#algebraic_expressions
#two_variable_power
#hard
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A (18)
B (24)
C (30)
D (34)
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Explanation
Simple Explanation
मान रखने पर (4(-5)+2(25)-6=24) मिलता है। \(v^2\) धनात्मक होगा। / Substitution gives (4(-5)+2(25)-6=24). \(v^2\) will be positive.
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कौन सा व्यंजक (y) से (6) अधिक संख्या के वर्ग को दर्शाता है?
Which expression represents the square of the number (6) more than (y)?
#algebraic_expressions
#word_to_expression
#square
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A \(y^2+6\)
B (y+36)
C ((y+6)2 )
D \(6-y^2\)
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Correct Answer
C. ((y+6)2 )
Explanation
Simple Explanation
(6) अधिक संख्या (y+6) है। पूरे योग के वर्ग के लिए ((y+6)2 ) लिखते हैं। / The number (6) more than (y) is (y+6). To square the whole sum, write ((y+6)2 ).
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व्यंजक \(8x^2-7xy+4xy-5x^2\) का सरल रूप क्या है?
What is the simplified form of \(8x^2-7xy+4xy-5x^2\)?
#algebraic_expressions
#combine_terms
#multivariable
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A \(3x^2-3xy\)
B \(13x^2-3xy\)
C \(3x^2-11xy\)
D \(13x^2-11xy\)
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Correct Answer
A. \(3x^2-3xy\)
Explanation
Simple Explanation
\(8x^2-5x^2=3x^2\) और (-7xy+4xy=-3xy)। \(x^2\) और (xy) अलग चर भाग हैं। / \(8x^2-5x^2=3x^2\) and (-7xy+4xy=-3xy). \(x^2\) and (xy) are different variable parts.
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यदि (m-n=9), तो (2m-2n+11) का मान क्या होगा?
If (m-n=9), what is the value of (2m-2n+11)?
#algebraic_expressions
#given_difference
#hard
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A (18)
B (20)
C (29)
D (31)
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Explanation
Simple Explanation
(2m-2n+11=2(m-n)+11=18+11=29)। समान गुणांक दिखे तो सामान्य गुणक निकालें। / (2m-2n+11=2(m-n)+11=18+11=29). If the same coefficient appears, take the common factor.
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व्यंजक (4(3x-2y)-3(x-4y)+5y) का सरल रूप क्या है?
What is the simplified form of (4(3x-2y)-3(x-4y)+5y)?
#algebraic_expressions
#linear_combination
#hard
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A (9x+9y)
B (9x-15y)
C (15x+9y)
D (15x-15y)
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Correct Answer
A. (9x+9y)
Explanation
Simple Explanation
खोलने पर (12x-8y-3x+12y+5y=9x+9y) मिलता है। समान चर वाले पद जोड़ें। / Expanding gives (12x-8y-3x+12y+5y=9x+9y). Combine terms with the same variable.
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किस विकल्प में \(2x^2+5x-6\) और \(3x^2-7x+10\) का योग सही है?
Which option gives the correct sum of \(2x^2+5x-6\) and \(3x^2-7x+10\)?
#algebraic_expressions
#polynomial_addition
#hard
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A \(5x^2+12x+4\)
B \(x^2-2x+4\)
C \(5x^2-2x+4\)
D \(5x^2-12x-16\)
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Correct Answer
C. \(5x^2-2x+4\)
Explanation
Simple Explanation
योग में \(2x^2+3x^2=5x^2\), (5x-7x=-2x), और (-6+10=4) है। समान पद अलग-अलग जोड़ें। / In the sum, \(2x^2+3x^2=5x^2\), (5x-7x=-2x), and (-6+10=4). Add like terms separately.
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यदि (x=0), तो \(-4x^3+9x^2-5x+13\) का मान क्या होगा?
If (x=0), what is the value of \(-4x^3+9x^2-5x+13\)?
#algebraic_expressions
#zero_substitution
#hard
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A (0)
B (9)
C (13)
D (-13)
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Explanation
Simple Explanation
(x=0) रखने पर सभी चर वाले पद (0) हो जाते हैं। इसलिए मान (13) है। / Putting (x=0) makes all variable terms (0). Therefore the value is (13).
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व्यंजक (5a-2[3a-4(a-2)]) का सरल रूप क्या है?
What is the simplified form of (5a-2[3a-4(a-2)])?
#algebraic_expressions
#bracket_simplification
#hard
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A (7a-16)
B (7a+16)
C (3a-16)
D (3a+16)
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Correct Answer
A. (7a-16)
Explanation
Simple Explanation
अंदर (3a-4a+8=-a+8), इसलिए (5a-2(-a+8)=7a-16)। अंदर का भाग पहले सरल करें। / Inside (3a-4a+8=-a+8), so (5a-2(-a+8)=7a-16). Simplify the inside part first.
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यदि (s=2) और (t=-1), तो \(s^3t-st^3+2t\) का मान क्या होगा?
If (s=2) and (t=-1), what is the value of \(s^3t-st^3+2t\)?
#algebraic_expressions
#signed_evaluation
#hard
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A (-8)
B (-6)
C (-4)
D (0)
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Explanation
Simple Explanation
मान रखने पर (8(-1)-2(-1)-2=-8) मिलता है। ऋणात्मक मान की विषम घात ऋणात्मक रहती है। / Substitution gives (8(-1)-2(-1)-2=-8). An odd power of a negative value remains negative.
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किस विकल्प में (6(x-2)-[4x-{3x+1}]) का सही सरल रूप है?
Which option gives the correct simplified form of (6(x-2)-[4x-{3x+1}])?
#algebraic_expressions
#braces
#hard
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A (5x-13)
B (5x-11)
C (7x-13)
D (7x-11)
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Correct Answer
A. (5x-13)
Explanation
Simple Explanation
अंदर (4x-(3x+1)=x-1), इसलिए (6x-12-(x-1)=5x-11) नहीं बल्कि (5x-11) है। गणना में अंतिम नियतांक ध्यान से जोड़ें। / Inside (4x-(3x+1)=x-1), so (6x-12-(x-1)=5x-11). Add the final constants carefully.
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व्यंजक (6(x-2)-[4x-{3x+1}]) का सही सरल रूप कौन सा है?
Which is the correct simplified form of (6(x-2)-[4x-{3x+1}])?
#algebraic_expressions
#correct_simplification
#hard
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A (5x-13)
B (5x-11)
C (7x-13)
D (7x-11)
Explanation opens after your attempt
Correct Answer
B. (5x-11)
Explanation
Simple Explanation
अंदर (4x-{3x+1}=x-1) है। इसलिए (6x-12-(x-1)=5x-11)। / Inside (4x-{3x+1}=x-1). Therefore (6x-12-(x-1)=5x-11).
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(x) से (7) कम संख्या और (x) से (4) अधिक संख्या के योग का व्यंजक क्या होगा?
What is the expression for the sum of the number (7) less than (x) and the number (4) more than (x)?
#algebraic_expressions
#word_problem
#hard
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A (2x-3)
B (2x+11)
C (x-3)
D (x+11)
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Explanation
Simple Explanation
दो संख्याएं (x-7) और (x+4) हैं। उनका योग (2x-3) है। / The two numbers are (x-7) and (x+4). Their sum is (2x-3).
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व्यंजक \(\frac{7x}{10}-\frac{x}{5}\) का सरल रूप क्या है?
What is the simplified form of \(\frac{7x}{10}-\frac{x}{5}\)?
#algebraic_expressions
#fraction_terms
#hard
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A \(\frac{x}{2}\)
B \(\frac{9x}{10}\)
C \(\frac{3x}{5}\)
D \(\frac{7x^2}{50}\)
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Correct Answer
A. \(\frac{x}{2}\)
Explanation
Simple Explanation
\(\frac{x}{5}=\frac{2x}{10}\), इसलिए \(\frac{7x}{10}-\frac{2x}{10}=\frac{x}{2}\)। भिन्न पदों में समान हर बनाएं। / \(\frac{x}{5}=\frac{2x}{10}\), so \(\frac{7x}{10}-\frac{2x}{10}=\frac{x}{2}\). Make a common denominator for fraction terms.
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यदि (x+y=8) और (x-y=2), तो (4(x+y)-5(x-y)) का मान क्या होगा?
If (x+y=8) and (x-y=2), what is the value of (4(x+y)-5(x-y))?
#algebraic_expressions
#substitution_given
#hard
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A (22)
B (24)
C (26)
D (30)
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Explanation
Simple Explanation
दिए गए मान रखने पर (4(8)-5(2)=22) मिलता है। पूरे कोष्ठक को एक मान की तरह उपयोग करें। / Using the given values gives (4(8)-5(2)=22). Use the whole bracket as one value.
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व्यंजक \(5x^2-6xy+3y^2-2x^2+11xy-8y^2\) का सरल रूप क्या है?
What is the simplified form of \(5x^2-6xy+3y^2-2x^2+11xy-8y^2\)?
#algebraic_expressions
#quadratic_two_variables
#hard
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A \(3x^2+5xy-5y^2\)
B \(7x^2+5xy-5y^2\)
C \(3x^2-17xy+11y^2\)
D \(7x^2-17xy-5y^2\)
Explanation opens after your attempt
Correct Answer
A. \(3x^2+5xy-5y^2\)
Explanation
Simple Explanation
\(x^2\), (xy), और \(y^2\) पदों को अलग जोड़ने पर \(3x^2+5xy-5y^2\) मिलता है। अलग चर भागों को न मिलाएं। / Combining \(x^2\), (xy), and \(y^2\) terms separately gives \(3x^2+5xy-5y^2\). Do not mix different variable parts.
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व्यंजक (15-[4x-3(2-x)]) का सरल रूप क्या है?
What is the simplified form of (15-[4x-3(2-x)])?
#algebraic_expressions
#square_brackets
#hard
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A (21-x)
B (21-7x)
C (9+7x)
D (9+x)
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Correct Answer
B. (21-7x)
Explanation
Simple Explanation
अंदर (4x-6+3x=7x-6), इसलिए (15-(7x-6)=21-7x)। बाहर का ऋण चिह्न पूरे कोष्ठक पर लागू करें। / Inside (4x-6+3x=7x-6), so (15-(7x-6)=21-7x). Apply the outside minus sign to the whole bracket.
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यदि (t=3), तो \(2t^4-5t^3+t^2\) का मान क्या होगा?
If (t=3), what is the value of \(2t^4-5t^3+t^2\)?
#algebraic_expressions
#power_evaluation
#hard
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A (0)
B (18)
C (36)
D (54)
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Explanation
Simple Explanation
मान रखने पर (2(81)-5(27)+9=36) मिलता है। बड़ी घातों का मान पहले निकालें। / Substitution gives (2(81)-5(27)+9=36). Evaluate higher powers first.
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कौन सा व्यंजक (a) और (b) के योग के (5) गुने में उनके अंतर को घटाता है?
Which expression subtracts the difference of (a) and (b) from (5) times their sum?
#algebraic_expressions
#phrase_expression
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A (5(a-b)-(a+b))
B (5(a+b)+(a-b))
C (5(a+b)-(a-b))
D (a-b-5(a+b))
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Correct Answer
C. (5(a+b)-(a-b))
Explanation
Simple Explanation
योग (a+b) है और उसका (5) गुना (5(a+b)) है। इसमें से अंतर (a-b) घटाने पर (5(a+b)-(a-b)) बनता है। / The sum is (a+b), and five times it is (5(a+b)). Subtracting the difference (a-b) gives (5(a+b)-(a-b)).
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व्यंजक ((3x-4)+(2x+9)-(5x-7)) का सरल रूप क्या है?
What is the simplified form of ((3x-4)+(2x+9)-(5x-7))?
#algebraic_expressions
#cancellation
#hard
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A (12)
B (10x+12)
C (12-0x)
D (0)
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Explanation
Simple Explanation
कोष्ठक हटाने पर (3x-4+2x+9-5x+7=12) मिलता है। (x) वाले पद कट जाते हैं। / Removing brackets gives (3x-4+2x+9-5x+7=12). The (x)-terms cancel out.
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यदि (p=-1), तो \(2p^4-3p^3+4p^2-5\) का मान क्या होगा?
If (p=-1), what is the value of \(2p^4-3p^3+4p^2-5\)?
#algebraic_expressions
#negative_one_power
#hard
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A (2)
B (4)
C (6)
D (8)
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Explanation
Simple Explanation
मान रखने पर (2+3+4-5=4) मिलता है। (-1) की सम घात (1) और विषम घात (-1) होती है। / Substitution gives (2+3+4-5=4). Even powers of (-1) are (1), and odd powers are (-1).
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किस विकल्प में (6x-3y) में से (2x+8y) घटाने का सही परिणाम है?
Which option gives the correct result of subtracting (2x+8y) from (6x-3y)?
#algebraic_expressions
#two_variable_subtraction
#hard
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A (4x-11y)
B (8x+5y)
C (4x+5y)
D (8x-11y)
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Correct Answer
A. (4x-11y)
Explanation
Simple Explanation
((6x-3y)-(2x+8y)=6x-3y-2x-8y=4x-11y)। घटाते समय दूसरे व्यंजक के सभी चिह्न बदलें। / ((6x-3y)-(2x+8y)=6x-3y-2x-8y=4x-11y). Change all signs of the second expression while subtracting.
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व्यंजक \(4x^2y-9xy^2+5x^2y+6xy^2\) का सरल रूप क्या है?
What is the simplified form of \(4x^2y-9xy^2+5x^2y+6xy^2\)?
#algebraic_expressions
#multivariable_powers
#hard
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A \(9x^2y-3xy^2\)
B \(9x^2y+15xy^2\)
C \(-x^2y-3xy^2\)
D \(9x^3y^3-3xy^2\)
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Correct Answer
A. \(9x^2y-3xy^2\)
Explanation
Simple Explanation
\(4x^2y+5x^2y=9x^2y\) और \(-9xy^2+6xy^2=-3xy^2\)। घातें समान हों तभी पद समान होते हैं। / \(4x^2y+5x^2y=9x^2y\) and \(-9xy^2+6xy^2=-3xy^2\). Terms are like only when powers match.
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यदि (q=4), तो \(\frac{q^3-2q}{4}\) का मान क्या होगा?
If (q=4), what is the value of \(\frac{q^3-2q}{4}\)?
#algebraic_expressions
#cubic_fraction
#hard
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A (12)
B (14)
C (16)
D (18)
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Explanation
Simple Explanation
(q=4) रखने पर \(\frac{64-8}{4}=14\) मिलता है। अंश को पहले पूरा सरल करें। / Putting (q=4) gives \(\frac{64-8}{4}=14\). Simplify the numerator completely first.
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(n) से शुरू होने वाली चार लगातार विषम संख्याओं का योग क्या होगा?
What is the sum of four consecutive odd numbers starting from (n)?
#algebraic_expressions
#consecutive_odd_numbers
#hard
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A (4n+8)
B (4n+12)
C (n+12)
D (4n+6)
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Correct Answer
B. (4n+12)
Explanation
Simple Explanation
चार विषम संख्याएं (n), (n+2), (n+4), और (n+6) होंगी। उनका योग (4n+12) है। / The four odd numbers are (n), (n+2), (n+4), and (n+6). Their sum is (4n+12).
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व्यंजक (3(4x-5)-[2x-3(1-x)]) का सरल रूप क्या है?
What is the simplified form of (3(4x-5)-[2x-3(1-x)])?
#algebraic_expressions
#complex_brackets
#hard
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A (7x-12)
B (7x-18)
C (17x-12)
D (17x-18)
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Correct Answer
A. (7x-12)
Explanation
Simple Explanation
अंदर (2x-3+3x=5x-3), इसलिए (12x-15-(5x-3)=7x-12)। वर्ग कोष्ठक के अंदर पहले सरल करें। / Inside (2x-3+3x=5x-3), so (12x-15-(5x-3)=7x-12). Simplify inside the square bracket first.
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यदि (x=1) और (y=3), तो (3(x+y)2 -4xy) का मान क्या होगा?
If (x=1) and (y=3), what is the value of (3(x+y)2 -4xy)?
#algebraic_expressions
#two_variable_square
#hard
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A (36)
B (38)
C (40)
D (42)
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Explanation
Simple Explanation
मान रखने पर (3(4)2 -4(1)(3)=48-12=36) मिलता है। कोष्ठक और वर्ग पहले निकालें। / Substitution gives (3(4)2 -4(1)(3)=48-12=36). Evaluate brackets and squares first.
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किस विकल्प में (4a-5b+9a-2b-6a) का सही सरल रूप है?
Which option gives the correct simplified form of (4a-5b+9a-2b-6a)?
#algebraic_expressions
#linear_terms
#hard
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A (7a-7b)
B (19a-7b)
C (7a-3b)
D (19a+3b)
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Correct Answer
A. (7a-7b)
Explanation
Simple Explanation
(4a+9a-6a=7a) और (-5b-2b=-7b)। समान चर वाले पद ही जोड़ें। / (4a+9a-6a=7a) and (-5b-2b=-7b). Combine only terms with the same variable.
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एक आयत की लंबाई (4x-7) और चौड़ाई (3x+2) है। परिमाप का व्यंजक क्या होगा?
A rectangle has length (4x-7) and breadth (3x+2). What is the expression for its perimeter?
#algebraic_expressions
#rectangle_perimeter
#hard
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A (14x-10)
B (7x-5)
C (14x-5)
D (7x-10)
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Correct Answer
A. (14x-10)
Explanation
Simple Explanation
परिमाप (2[(4x-7)+(3x+2)]=2(7x-5)=14x-10) है। पहले लंबाई और चौड़ाई जोड़ें। / The perimeter is (2[(4x-7)+(3x+2)]=2(7x-5)=14x-10). Add length and breadth first.
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यदि (x=1), तो \(6x^3-9x^2+4x-8\) का मान क्या होगा?
If (x=1), what is the value of \(6x^3-9x^2+4x-8\)?
#algebraic_expressions
#value_at_one
#hard
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A (-7)
B (-5)
C (5)
D (7)
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Explanation
Simple Explanation
(x=1) रखने पर (6-9+4-8=-7) मिलता है। (1) की हर धनात्मक घात (1) होती है। / Putting (x=1) gives (6-9+4-8=-7). Every positive power of (1) is (1).
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व्यंजक (7x-3[2x-{x-6}]) का सरल रूप क्या है?
What is the simplified form of (7x-3[2x-{x-6}])?
#algebraic_expressions
#braces_simplification
#hard
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A (4x-18)
B (4x+18)
C (10x-18)
D (10x+18)
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Correct Answer
A. (4x-18)
Explanation
Simple Explanation
अंदर (2x-(x-6)=x+6), इसलिए (7x-3(x+6)=4x-18)। अंदरूनी कोष्ठक पहले हटाएं। / Inside (2x-(x-6)=x+6), so (7x-3(x+6)=4x-18). Remove inner brackets first.
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किस विकल्प में \(5x^2-3x+8\) में से \(2x^2-7x-6\) घटाने का सही परिणाम है?
Which option gives the correct result of subtracting \(2x^2-7x-6\) from \(5x^2-3x+8\)?
#algebraic_expressions
#polynomial_subtraction
#hard
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A \(3x^2+4x+14\)
B \(7x^2-10x+2\)
C \(3x^2-10x+2\)
D \(7x^2+4x+14\)
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Correct Answer
A. \(3x^2+4x+14\)
Explanation
Simple Explanation
(\(5x^2-3x+8\)-\(2x^2-7x-6\)=3x-2 +4x+14)। घटाते समय दूसरे व्यंजक के सभी चिह्न बदलें। / (\(5x^2-3x+8\)-\(2x^2-7x-6\)=3x-2 +4x+14). Change all signs of the second expression while subtracting.
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यदि (x=2), तो (x(x+5)-3(x-1)) का मान क्या होगा?
If (x=2), what is the value of (x(x+5)-3(x-1))?
#algebraic_expressions
#bracket_evaluation
#hard
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A (11)
B (13)
C (15)
D (17)
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Explanation
Simple Explanation
मान रखने पर (2(7)-3(1)=11) मिलता है। पहले कोष्ठक का मान निकालें। / Substitution gives (2(7)-3(1)=11). Evaluate the brackets first.
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व्यंजक (2(5x-3)-4[2x-{x-2}]) का सरल रूप क्या है?
What is the simplified form of (2(5x-3)-4[2x-{x-2}])?
#algebraic_expressions
#nested_brackets_final
#hard
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A (6x+2)
B (6x-14)
C (14x+2)
D (14x-14)
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Correct Answer
B. (6x-14)
Explanation
Simple Explanation
अंदर (2x-(x-2)=x+2), इसलिए (10x-6-4(x+2)=6x-14)। कोष्ठकों को अंदर से बाहर हल करें। / Inside (2x-(x-2)=x+2), so (10x-6-4(x+2)=6x-14). Solve brackets from inside to outside.
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