(3x+5) में चर कौन-सा है?
Which is the variable in (3x+5)?
#algebra
#variable
#basic
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A (3)
B (x)
C (5)
D (3x)
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चर वह राशि है जिसका मान बदल सकता है। परीक्षा में अक्षर वाले भाग को पहले पहचानें। / A variable is a quantity whose value can change. In exams identify the letter part first.
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(7a) में (a) का गुणांक क्या है?
What is the coefficient of (a) in (7a)?
#algebra
#coefficient
#monomial
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A (1)
B (7)
C (a)
D (0)
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चर के साथ गुणा होने वाली संख्या गुणांक कहलाती है। एकपदी में संख्या भाग को गुणांक मानें। / The number multiplying the variable is called the coefficient. In a monomial take the numerical part as coefficient.
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(4p-9) में स्थिर पद कौन-सा है?
Which is the constant term in (4p-9)?
#algebra
#constant
#terms
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A (4p)
B (p)
C (-9)
D (4)
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स्थिर पद में कोई चर नहीं होता है। चिह्न के साथ पद को पढ़ना जरूरी है। / A constant term has no variable. Always read the term with its sign.
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(2x+3x) का सरल रूप क्या है?
What is the simplified form of (2x+3x)?
#algebra
#like_terms
#simplification
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A (5x)
B (6x)
C \(x^5\)
D \(5x^2\)
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समान पदों के गुणांक जोड़े जाते हैं। चर भाग समान रहे तो केवल संख्या भाग जोड़ें। / Coefficients of like terms are added. If the variable part is same add only the numerical part.
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(9y-4y) का मान क्या होगा?
What is the value of (9y-4y)?
#algebra
#like_terms
#subtraction
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A (13y)
B (5y)
C (36y)
D \(5y^2\)
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(9y) और (4y) समान पद हैं इसलिए गुणांक घटेंगे। परीक्षा में घटाव में चिह्न पर ध्यान दें। / (9y) and (4y) are like terms so their coefficients are subtracted. In exams watch the sign carefully.
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(x+x+x+x) किसके बराबर है?
(x+x+x+x) is equal to which expression?
#algebra
#repeated_addition
#expression
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A \(x^4\)
B (4x)
C (4+x)
D (x+4)
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एक ही चर का बार-बार जोड़ गुणा में बदलता है। (4) बार (x) जोड़ने पर (4x) मिलता है। / Repeated addition of the same variable becomes multiplication. Adding (x) four times gives (4x).
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यदि (x=6) हो तो (x+8) का मान क्या होगा?
If (x=6) then what is the value of (x+8)?
#algebra
#substitution
#evaluation
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A (12)
B (14)
C (16)
D (48)
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(x) के स्थान पर (6) रखने से (6+8=14) मिलता है। मान निकालते समय पहले प्रतिस्थापन करें। / Substituting (6) for (x) gives (6+8=14). Substitute first while evaluating.
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यदि (a=5) हो तो (3a) का मान क्या है?
If (a=5) then what is the value of (3a)?
#algebra
#substitution
#multiplication
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A (8)
B (15)
C (35)
D (2)
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(3a) का अर्थ \(3\times a\) है। इसलिए \(3\times5=15\) होगा। / (3a) means \(3\times a\). So \(3\times5=15\).
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(2m+7) में कितने पद हैं?
How many terms are there in (2m+7)?
#algebra
#terms
#expression
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A (1)
B (2)
C (3)
D (7)
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पद (+) या (-) चिह्नों से अलग होते हैं। यहाँ (2m) और (7) दो पद हैं। / Terms are separated by (+) or (-) signs. Here (2m) and (7) are two terms.
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\(5x^2\) किस प्रकार का बीजीय व्यंजक है?
What type of algebraic expression is \(5x^2\)?
#algebra
#monomial
#classification
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A एकपदी / Monomial
B द्विपदी / Binomial
C त्रिपदी / Trinomial
D समीकरण / Equation
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Correct Answer
A. एकपदी / Monomial
Explanation
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एक पद वाला व्यंजक एकपदी कहलाता है। पदों की संख्या देखकर प्रकार पहचानें। / An expression with one term is called a monomial. Identify the type by counting terms.
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(p+q) किस प्रकार का व्यंजक है?
What type of expression is (p+q)?
#algebra
#binomial
#classification
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A एकपदी / Monomial
B द्विपदी / Binomial
C त्रिपदी / Trinomial
D स्थिरांक / Constant
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B. द्विपदी / Binomial
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(p+q) में दो पद हैं इसलिए यह द्विपदी है। पदों को अलग-अलग गिनें। / (p+q) has two terms so it is a binomial. Count the terms separately.
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(a+b+c) में पदों की संख्या कितनी है?
How many terms are there in (a+b+c)?
#algebra
#trinomial
#terms
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A (1)
B (2)
C (3)
D (4)
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(a), (b), और (c) तीन अलग पद हैं। जोड़ चिह्नों से अलग पदों को गिनें। / (a), (b), and (c) are three separate terms. Count the terms separated by plus signs.
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\(2x^2+3x+1\) की घात क्या है?
What is the degree of \(2x^2+3x+1\)?
#algebra
#polynomial
#degree
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A (1)
B (2)
C (3)
D (6)
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बहुपद की घात चर की सबसे बड़ी घात होती है। यहाँ सबसे बड़ी घात (2) है। / The degree of a polynomial is the highest power of the variable. Here the highest power is (2).
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(8) को बीजीय रूप में किस प्रकार माना जाएगा?
How is (8) treated in algebraic form?
#algebra
#constant
#basic
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A चर / Variable
B द्विपदी / Binomial
C स्थिरांक / Constant
D समान पद / Like term
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C. स्थिरांक / Constant
Explanation
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(8) का मान बदलता नहीं है इसलिए यह स्थिरांक है। बिना चर वाली संख्या को स्थिरांक पहचानें। / The value of (8) does not change so it is a constant. A number without a variable is a constant.
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(6x) और (6y) कैसे पद हैं?
What kind of terms are (6x) and (6y)?
#algebra
#unlike_terms
#terms
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A समान पद / Like terms
B असमान पद / Unlike terms
C स्थिर पद / Constant terms
D शून्य पद / Zero terms
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Correct Answer
B. असमान पद / Unlike terms
Explanation
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चर भाग अलग हैं इसलिए ये असमान पद हैं। समान पदों में चर और उनकी घात समान होनी चाहिए। / The variable parts are different so these are unlike terms. Like terms must have the same variables and powers.
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(4a) और (-2a) कैसे पद हैं?
What kind of terms are (4a) and (-2a)?
#algebra
#like_terms
#identification
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A असमान पद / Unlike terms
B समान पद / Like terms
C स्थिर पद / Constant terms
D द्विपद / Binomial
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Correct Answer
B. समान पद / Like terms
Explanation
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दोनों पदों का चर भाग (a) है इसलिए ये समान पद हैं। गुणांक अलग होने से समानता नहीं बदलती। / Both terms have the variable part (a) so they are like terms. Different coefficients do not change that.
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(10z) का संख्यात्मक गुणांक क्या है?
What is the numerical coefficient of (10z)?
#algebra
#coefficient
#basic
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A (z)
B (10)
C (10z)
D (0)
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संख्यात्मक गुणांक चर के साथ लगी संख्या होती है। यहाँ (z) के साथ (10) है। / The numerical coefficient is the number attached to the variable. Here (10) is attached to (z).
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\(x^2\cdot x^3\) का सरल रूप क्या है?
What is the simplified form of \(x^2\cdot x^3\)?
#algebra
#exponents
#laws
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A \(x^5\)
B \(x^6\)
C \(x^1\)
D \(2x^3\)
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Correct Answer
A. \(x^5\)
Explanation
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समान आधार में गुणा करते समय घातें जुड़ती हैं। इसलिए \(x^2\cdot x^3=x^5\)। / When multiplying same bases powers are added. Therefore \(x^2\cdot x^3=x^5\).
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\(\frac{x^6}{x^2}\) का सरल रूप क्या है?
What is the simplified form of \(\frac{x^6}{x^2}\)?
#algebra
#exponents
#division
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A \(x^8\)
B \(x^4\)
C \(x^3\)
D \(x^{12}\)
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Correct Answer
B. \(x^4\)
Explanation
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समान आधार में भाग करते समय घातें घटती हैं। यहाँ (6-2=4) है। / When dividing same bases powers are subtracted. Here (6-2=4).
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((x)0 ) का मान क्या है जब \(x\neq0\)?
What is the value of ((x)0 ) when \(x\neq0\)?
#algebra
#zero_power
#exponents
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A (0)
B (1)
C (x)
D (-1)
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किसी भी अशून्य संख्या या चर की शून्य घात (1) होती है। यह घात नियम का सीधा प्रयोग है। / Any non-zero number or variable raised to zero is (1). This is a direct use of exponent law.
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यदि (y=4) हो तो \(y^2\) का मान क्या है?
If (y=4) then what is the value of \(y^2\)?
#algebra
#substitution
#powers
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A (8)
B (12)
C (16)
D (6)
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\(y^2\) में \(4^2=16\) होगा। घात का अर्थ बार-बार गुणा होता है। / In \(y^2\), \(4^2=16\). Power means repeated multiplication.
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(2(x+3)) का विस्तृत रूप क्या है?
What is the expanded form of (2(x+3))?
#algebra
#expansion
#distributive_law
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A (2x+3)
B (x+6)
C (2x+6)
D (5x)
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(2) को कोष्ठक के दोनों पदों से गुणा करें। इसलिए (2x+6) प्राप्त होता है। / Multiply (2) with both terms inside the bracket. So we get (2x+6).
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(3(a-2)) का सही विस्तारण क्या है?
What is the correct expansion of (3(a-2))?
#algebra
#expansion
#brackets
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A (3a-6)
B (3a-2)
C (a-6)
D (3a+6)
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(3) को (a) और (-2) दोनों से गुणा करें। ऋण चिह्न को न छोड़ें। / Multiply (3) by both (a) and (-2). Do not miss the negative sign.
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(5(x-1)+2x) का सरल रूप क्या है?
What is the simplified form of (5(x-1)+2x)?
#algebra
#simplification
#expansion
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A (7x-5)
B (5x+2)
C (7x+5)
D (3x-5)
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पहले (5x-5) मिलेगा फिर (2x) जोड़ें। समान पदों को अंत में मिलाएँ। / First get (5x-5) then add (2x). Combine like terms at the end.
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(a+a+2a) का सरल रूप क्या है?
What is the simplified form of (a+a+2a)?
#algebra
#like_terms
#simplification
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A (3a)
B (4a)
C \(2a^2\)
D \(a^4\)
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(a) का गुणांक (1) होता है। (1a+1a+2a=4a) होगा। / The coefficient of (a) is (1). So (1a+1a+2a=4a).
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(6u+2v) और (3u+5v) को जोड़ने पर क्या मिलेगा?
What is obtained by adding (6u+2v) and (3u+5v)?
#algebra
#addition
#like_terms
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A (9u+7v)
B (9uv+7)
C (3u+3v)
D (18u+10v)
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Correct Answer
A. (9u+7v)
Explanation
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(u) वाले और (v) वाले समान पद अलग-अलग जोड़ें। इससे (9u+7v) मिलता है। / Add the (u)-terms and (v)-terms separately. This gives (9u+7v).
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((8x+1)-(3x+1)) का सरल रूप क्या है?
What is the simplified form of ((8x+1)-(3x+1))?
#algebra
#subtraction
#expressions
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A (5x)
B (11x+2)
C (5x+2)
D (5x-2)
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दूसरे कोष्ठक के चिह्न बदलकर घटाएँ। (8x+1-3x-1=5x) होगा। / Change the signs of the second bracket while subtracting. (8x+1-3x-1=5x).
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(x+5=12) में (x) का मान क्या है?
What is the value of (x) in (x+5=12)?
#algebra
#linear_equation
#solution
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A (5)
B (7)
C (12)
D (17)
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दोनों ओर से (5) घटाने पर (x=7) मिलता है। समीकरण में संतुलन बनाए रखें। / Subtracting (5) from both sides gives (x=7). Keep the equation balanced.
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(m-4 =9) में (m) का मान क्या है?
What is the value of (m) in (m-4 =9)?
#algebra
#linear_equation
#addition
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A (5)
B (13)
C (36)
D (-13)
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दोनों ओर (4) जोड़ने पर (m=13) मिलता है। उल्टा ऑपरेशन प्रयोग करें। / Adding (4) to both sides gives (m=13). Use the inverse operation.
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(2t=18) में (t) का मान क्या है?
What is the value of (t) in (2t=18)?
#algebra
#linear_equation
#division
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A (8)
B (9)
C (16)
D (20)
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दोनों ओर (2) से भाग देने पर (t=9) मिलता है। गुणा को हटाने के लिए भाग करें। / Dividing both sides by (2) gives (t=9). Divide to undo multiplication.
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\(\frac{n}{3}=6\) में (n) का मान क्या है?
What is the value of (n) in \(\frac{n}{3}=6\)?
#algebra
#linear_equation
#fraction
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A (2)
B (9)
C (18)
D (36)
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दोनों ओर (3) से गुणा करने पर (n=18) मिलता है। भिन्न हटाने के लिए हर से गुणा करें। / Multiplying both sides by (3) gives (n=18). Multiply by the denominator to remove the fraction.
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(3p-2=10) में (p) का मान क्या है?
What is the value of (p) in (3p-2=10)?
#algebra
#linear_equation
#two_step
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A (2)
B (3)
C (4)
D (5)
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पहले (2) जोड़ें फिर (3) से भाग दें। (3p=12) से (p=4) मिलेगा। / First add (2) then divide by (3). From (3p=12), (p=4).
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\(x^2+2x+1\) किस पहचान से जुड़ा है?
Which identity is related to \(x^2+2x+1\)?
#algebra
#identity
#square
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A ((x+1)2 )
B ((x-1)2 )
C \(x^2-1\)
D (2x+1)
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Correct Answer
A. ((x+1)2 )
Explanation
Simple Explanation
यह (a-2 +2ab+b-2 =(a+b)2 ) का रूप है। पहचान में मध्य पद के चिह्न को देखें। / This is the form (a-2 +2ab+b-2 =(a+b)2 ). Check the sign of the middle term in identities.
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((a+b)2 ) का सूत्र क्या है?
What is the formula for ((a+b)2 )?
#algebra
#identity
#formula
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A \(a^2+b^2\)
B \(a^2+2ab+b^2\)
C \(a^2-2ab+b^2\)
D \(a^2-b^2\)
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Correct Answer
B. \(a^2+2ab+b^2\)
Explanation
Simple Explanation
((a+b)2 ) में मध्य पद (+2ab) होता है। सूत्रों को चिह्न सहित याद करें। / In ((a+b)2 ), the middle term is (+2ab). Remember identities with signs.
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((a-b)2 ) का सही विस्तार कौन-सा है?
Which is the correct expansion of ((a-b)2 )?
#algebra
#identity
#formula
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A \(a^2+b^2\)
B \(a^2-2ab+b^2\)
C \(a^2+2ab+b^2\)
D \(a^2-b^2\)
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Correct Answer
B. \(a^2-2ab+b^2\)
Explanation
Simple Explanation
((a-b)2 ) में मध्य पद (-2ab) होता है। ऋण चिह्न को कभी न छोड़ें। / In ((a-b)2 ), the middle term is (-2ab). Never ignore the negative sign.
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((a+b)(a-b)) किसके बराबर है?
((a+b)(a-b)) is equal to what?
#algebra
#identity
#difference_of_squares
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A \(a^2+b^2\)
B \(a^2-b^2\)
C \(a^2+2ab+b^2\)
D \(a^2-2ab+b^2\)
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Correct Answer
B. \(a^2-b^2\)
Explanation
Simple Explanation
यह अंतर वर्ग पहचान है। याद रखें कि ((a+b)(a-b)=a-2 -b-2 )। / This is the difference of squares identity. Remember ((a+b)(a-b)=a-2 -b-2 ).
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\(9x^2\) का वर्गमूल क्या है?
What is the square root of \(9x^2\)?
#algebra
#square_root
#monomial
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A (3x)
B (9x)
C \(3x^2\)
D (81x)
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Explanation
Simple Explanation
(9) का वर्गमूल (3) और \(x^2\) का वर्गमूल (x) है। वर्गमूल में दोनों भाग देखें। / The square root of (9) is (3) and of \(x^2\) is (x). Check both parts in square root.
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\(25a^2\) किसका वर्ग है?
\(25a^2\) is the square of which expression?
#algebra
#square
#monomial
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A (5a)
B (25a)
C \(5a^2\)
D (10a)
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Explanation
Simple Explanation
((5a)2 =25a-2 ) होता है। वर्ग में संख्या और चर दोनों की घात दोगुनी होती है। / ((5a)2 =25a-2 ). In a square both the number and variable powers are squared.
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\(x^2-16\) का गुणनखंड रूप क्या है?
What is the factorized form of \(x^2-16\)?
#algebra
#factorisation
#difference_of_squares
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A ((x-4)(x+4))
B ((x-8)(x+2))
C ((x-4)2 )
D ((x+4)2 )
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Correct Answer
A. ((x-4)(x+4))
Explanation
Simple Explanation
\(x^2-16=x^2-4^2\) है। अंतर वर्ग सूत्र लगाएँ। / \(x^2-16=x^2-4^2\). Apply the difference of squares formula.
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(2x+6) का सामान्य गुणनखंड क्या है?
What is the common factor of (2x+6)?
#algebra
#factorisation
#common_factor
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A (2)
B (3)
C (x)
D (6x)
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Explanation
Simple Explanation
(2x) और (6) दोनों में (2) सामान्य है। सबसे सरल सामान्य गुणनखंड पहले निकालें। / Both (2x) and (6) have (2) as common. Take out the simplest common factor first.
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(3a+3b) का गुणनखंड रूप क्या है?
What is the factorized form of (3a+3b)?
#algebra
#factorisation
#common_factor
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A (3(a+b))
B (a(3+b))
C (b(3+a))
D (3ab)
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Correct Answer
A. (3(a+b))
Explanation
Simple Explanation
दोनों पदों में (3) सामान्य है। सामान्य गुणनखंड बाहर लिखें। / Both terms have (3) in common. Write the common factor outside.
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(ab+ac) का गुणनखंड रूप क्या है?
What is the factorized form of (ab+ac)?
#algebra
#factorisation
#variables
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A (a(b+c))
B (b(a+c))
C (c(a+b))
D (abc)
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Correct Answer
A. (a(b+c))
Explanation
Simple Explanation
दोनों पदों में (a) सामान्य है। इसलिए (a(b+c)) सही रूप है। / Both terms have (a) in common. Therefore (a(b+c)) is correct.
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\(x^2+5x\) का गुणनखंड रूप क्या है?
What is the factorized form of \(x^2+5x\)?
#algebra
#factorisation
#common_variable
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A (x(x+5))
B (5(x+x))
C (x-2 (1+5))
D (x+5x)
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Correct Answer
A. (x(x+5))
Explanation
Simple Explanation
दोनों पदों में (x) सामान्य है। (x) बाहर लेने पर (x(x+5)) मिलता है। / Both terms have (x) in common. Taking (x) out gives (x(x+5)).
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यदि (r=2) और (s=3) हों तो (r+s) का मान क्या है?
If (r=2) and (s=3), what is the value of (r+s)?
#algebra
#substitution
#two_variables
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A (1)
B (5)
C (6)
D (-1)
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Explanation
Simple Explanation
दिए गए मान रखने पर (2+3=5) होता है। दो चर हों तो दोनों का प्रतिस्थापन करें। / Substituting the given values gives (2+3=5). When there are two variables substitute both.
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यदि (u=7) और (v=2) हों तो (u-v) का मान क्या होगा?
If (u=7) and (v=2), what is the value of (u-v)?
#algebra
#substitution
#subtraction
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A (9)
B (5)
C (14)
D (3)
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Explanation
Simple Explanation
(u-v=7-2=5) है। घटाव में क्रम बदलने से उत्तर बदल सकता है। / (u-v=7-2=5). In subtraction changing the order can change the answer.
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(4xy) में चरों की संख्या कितनी है?
How many variables are there in (4xy)?
#algebra
#variables
#monomial
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A (1)
B (2)
C (3)
D (4)
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Explanation
Simple Explanation
(4xy) में चर (x) और (y) हैं। संख्या (4) गुणांक है। / In (4xy), the variables are (x) and (y). The number (4) is the coefficient.
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(12pq) में संख्यात्मक गुणांक कौन-सा है?
Which is the numerical coefficient in (12pq)?
#algebra
#coefficient
#variables
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A (p)
B (q)
C (12)
D (pq)
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Explanation
Simple Explanation
संख्यात्मक गुणांक केवल संख्या भाग होता है। यहाँ (12) संख्या भाग है। / The numerical coefficient is only the number part. Here (12) is the number part.
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\(x^2+3x+2\) में (x) का गुणांक क्या है?
What is the coefficient of (x) in \(x^2+3x+2\)?
#algebra
#coefficient
#polynomial
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A (1)
B (2)
C (3)
D \(x^2\)
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Explanation
Simple Explanation
(x) वाला पद (3x) है इसलिए गुणांक (3) है। प्रश्न में पूछे गए चर की घात को ध्यान से देखें। / The term containing (x) is (3x), so the coefficient is (3). Notice the power of the variable asked in the question.
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\(7x^3+2x^2+x+9\) की घात क्या है?
What is the degree of \(7x^3+2x^2+x+9\)?
#algebra
#degree
#polynomial
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A (1)
B (2)
C (3)
D (9)
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Explanation
Simple Explanation
सबसे बड़ी घात (3) है इसलिए बहुपद की घात (3) होगी। सबसे ऊँची घात को ही उत्तर मानें। / The highest power is (3), so the degree of the polynomial is (3). Take the highest power as the answer.
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