100 results found for "coefficient-comparison" in Class 10.
बहुपद \(2x^4+3x^2-5x+7\) में \(x^3\) के गुणांक और (x) के गुणांक का योग क्या है?
In \(2x^4+3x^2-5x+7\), what is the sum of the coefficient of \(x^3\) and the coefficient of (x)?
#coefficients
#missing-term
#sum
A (-5)
B (0)
C (5)
D (3)
Explanation opens after your attempt
Step 1
Concept
The coefficient of \(x^3\) is (0) and the coefficient of (x) is (-5). The sum is (-5).
Step 2
Why this answer is correct
The correct answer is A. (-5). The coefficient of \(x^3\) is (0) and the coefficient of (x) is (-5). The sum is (-5).
Step 3
Exam Tip
\(x^3\) का गुणांक (0) और (x) का गुणांक (-5) है। योग (-5) है।
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समीकरण \(x^2+12x+36=0\) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in \(x^2+12x+36=0\)?
#quadratic equations
#implicit coefficient
#coefficient
A (0)
B (1)
C (12)
D (36)
Explanation opens after your attempt
Step 1
Concept
When no number is written before \(x^2\), its coefficient is (1). This is often asked.
Step 2
Why this answer is correct
The correct answer is B. (1). When no number is written before \(x^2\), its coefficient is (1). This is often asked.
Step 3
Exam Tip
जब \(x^2\) के आगे कोई संख्या नहीं लिखी होती तब गुणांक (1) होता है। यह अक्सर पूछी जाने वाली बात है।
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(p(x)=4x-6 -5x-4 +2x-2 -11) में \(x^5\) का गुणांक क्या है?
What is the coefficient of \(x^5\) in (p(x)=4x-6 -5x-4 +2x-2 -11)?
#missing term
#coefficient
#polynomial
A (0)
B (2)
C (4)
D (-5)
Explanation opens after your attempt
Step 1
Concept
The \(x^5\)-term is missing, so its coefficient is (0). Treat the missing term as \(0x^5\).
Step 2
Why this answer is correct
The correct answer is A. (0). The \(x^5\)-term is missing, so its coefficient is (0). Treat the missing term as \(0x^5\).
Step 3
Exam Tip
\(x^5\) का पद अनुपस्थित है, इसलिए उसका गुणांक (0) है। अनुपस्थित पद को \(0x^5\) मानें।
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((3x-2)\(2x^2+x-5\)) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in ((3x-2)\(2x^2+x-5\))?
#multiplication
#coefficient
#expansion
A (-1)
B (1)
C (3)
D (7)
Explanation opens after your attempt
Step 1
Concept
((3x-2)\(2x^2+x-5\)=6x-3 -x-2 -17x+10), so the coefficient of \(x^2\) is (-1). Combine like terms after expansion.
Step 2
Why this answer is correct
The correct answer is A. (-1). ((3x-2)\(2x^2+x-5\)=6x-3 -x-2 -17x+10), so the coefficient of \(x^2\) is (-1). Combine like terms after expansion.
Step 3
Exam Tip
((3x-2)\(2x^2+x-5\)=6x-3 -x-2 -17x+10), इसलिए \(x^2\) का गुणांक (-1) है। विस्तार के बाद समान पद मिलाएं।
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(p(x)=5x-4 -3x-3 +2x-2 -x+8) और (q(x)=-2x-4 +7x-3 -5x-2 +4x-6) के योग में \(x^3\) का गुणांक क्या है?
What is the coefficient of \(x^3\) in the sum of (p(x)=5x-4 -3x-3 +2x-2 -x+8) and (q(x)=-2x-4 +7x-3 -5x-2 +4x-6)?
#addition
#coefficient
#like terms
A (3)
B (4)
C (5)
D (10)
Explanation opens after your attempt
Step 1
Concept
The coefficients of \(x^3\) are (-3) and (7), so the sum is (4). Add only coefficients of like powers.
Step 2
Why this answer is correct
The correct answer is B. (4). The coefficients of \(x^3\) are (-3) and (7), so the sum is (4). Add only coefficients of like powers.
Step 3
Exam Tip
\(x^3\) के गुणांक (-3) और (7) हैं, इसलिए योग (4) है। समान घात के गुणांक ही जोड़ें।
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(p(x)=3x-5 -2x-4 +7x-6) में \(x^3\) का गुणांक क्या है?
What is the coefficient of \(x^3\) in (p(x)=3x-5 -2x-4 +7x-6)?
#missing term
#coefficient
#polynomial
A (0)
B (3)
C (-2)
D (7)
Explanation opens after your attempt
Step 1
Concept
The \(x^3\)-term is missing, so its coefficient is (0). Treat the missing term as \(0x^3\).
Step 2
Why this answer is correct
The correct answer is A. (0). The \(x^3\)-term is missing, so its coefficient is (0). Treat the missing term as \(0x^3\).
Step 3
Exam Tip
\(x^3\) का पद अनुपस्थित है, इसलिए उसका गुणांक (0) है। अनुपस्थित पद को \(0x^3\) मानें।
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((2x-1)\(x^2-3x+4\)) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in ((2x-1)\(x^2-3x+4\))?
#multiplication
#coefficient
#expansion
A (-7)
B (-6)
C (-5)
D (8)
Explanation opens after your attempt
Step 1
Concept
((2x-1)\(x^2-3x+4\)=2x-3 -7x-2 +11x-4), so the coefficient is (-7). Combine like terms after expansion.
Step 2
Why this answer is correct
The correct answer is A. (-7). ((2x-1)\(x^2-3x+4\)=2x-3 -7x-2 +11x-4), so the coefficient is (-7). Combine like terms after expansion.
Step 3
Exam Tip
((2x-1)\(x^2-3x+4\)=2x-3 -7x-2 +11x-4), इसलिए गुणांक (-7) है। विस्तार के बाद समान पद मिलाएं।
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(p(x)=4x-3 -7x-2 +2x-5) और (q(x)=-x-3 +3x-2 -6x+9) के योग में (x) का गुणांक क्या है?
What is the coefficient of (x) in the sum of (p(x)=4x-3 -7x-2 +2x-5) and (q(x)=-x-3 +3x-2 -6x+9)?
#addition
#coefficient
#like terms
A (-8)
B (-4)
C (4)
D (8)
Explanation opens after your attempt
Step 1
Concept
The coefficients of (x) are (2) and (-6), so the sum is (-4). Add coefficients of like powers only.
Step 2
Why this answer is correct
The correct answer is B. (-4). The coefficients of (x) are (2) and (-6), so the sum is (-4). Add coefficients of like powers only.
Step 3
Exam Tip
(x) के गुणांक (2) और (-6) हैं, इसलिए योग (-4) है। समान घात के गुणांक ही जोड़ें।
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(p(x)=2x-4 -3x-3 +5x-9) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in (p(x)=2x-4 -3x-3 +5x-9)?
#missing term
#coefficient
#polynomial
A (0)
B (2)
C (-3)
D (5)
Explanation opens after your attempt
Step 1
Concept
The \(x^2\)-term is missing, so its coefficient is (0). Treat the missing term as \(0x^2\).
Step 2
Why this answer is correct
The correct answer is A. (0). The \(x^2\)-term is missing, so its coefficient is (0). Treat the missing term as \(0x^2\).
Step 3
Exam Tip
\(x^2\) का पद अनुपस्थित है, इसलिए उसका गुणांक (0) है। अनुपस्थित पद को \(0x^2\) मानें।
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((x-2)\(3x^2+4x-5\)) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in ((x-2)\(3x^2+4x-5\))?
#multiplication
#coefficient
#expansion
A (-4)
B (-2)
C (4)
D (8)
Explanation opens after your attempt
Step 1
Concept
((x-2)\(3x^2+4x-5\)=3x-3 -2x-2 -13x+10), so the coefficient of \(x^2\) is (-2). Combine like terms after expansion.
Step 2
Why this answer is correct
The correct answer is B. (-2). ((x-2)\(3x^2+4x-5\)=3x-3 -2x-2 -13x+10), so the coefficient of \(x^2\) is (-2). Combine like terms after expansion.
Step 3
Exam Tip
((x-2)\(3x^2+4x-5\)=3x-3 -2x-2 -13x+10), इसलिए \(x^2\) का गुणांक (-2) है। विस्तार में समान पद मिलाएं।
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(p(x)=3x-3 -2x-2 +5x-1) और (q(x)=-x-3 +7x-2 -4x+6) के योग में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in the sum of (p(x)=3x-3 -2x-2 +5x-1) and (q(x)=-x-3 +7x-2 -4x+6)?
#addition
#coefficient
#like terms
A (3)
B (5)
C (7)
D (9)
Explanation opens after your attempt
Step 1
Concept
The coefficients of \(x^2\) are (-2) and (7), whose sum is (5). Add only coefficients of like powers.
Step 2
Why this answer is correct
The correct answer is B. (5). The coefficients of \(x^2\) are (-2) and (7), whose sum is (5). Add only coefficients of like powers.
Step 3
Exam Tip
\(x^2\) के गुणांक (-2) और (7) हैं, जिनका योग (5) है। समान घात के गुणांक ही जोड़ें।
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(p(x)=3x-3 -7x-2 +2x-11) में \(x^2\) के गुणांक और अचर पद का योग क्या है?
In (p(x)=3x-3 -7x-2 +2x-11), what is the sum of the coefficient of \(x^2\) and the constant term?
#coefficient
#constant term
#signs
A (-18)
B (-11)
C (-7)
D (4)
Explanation opens after your attempt
Step 1
Concept
The coefficient of \(x^2\) is (-7) and the constant term is (-11), so the sum is (-18). Do not forget to add with signs.
Step 2
Why this answer is correct
The correct answer is A. (-18). The coefficient of \(x^2\) is (-7) and the constant term is (-11), so the sum is (-18). Do not forget to add with signs.
Step 3
Exam Tip
\(x^2\) का गुणांक (-7) और अचर पद (-11) है, इसलिए योग (-18) है। संकेत सहित जोड़ना न भूलें।
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(p(x)=7x-4 -2x-2 +9) में \(x^3\) का गुणांक क्या है?
What is the coefficient of \(x^3\) in (p(x)=7x-4 -2x-2 +9)?
#coefficient
#missing term
#quartic
A (7)
B (-2)
C (0)
D (9)
Explanation opens after your attempt
Step 1
Concept
There is no \(x^3\)-term, so its coefficient is (0). Treat the missing term as \(0x^3\).
Step 2
Why this answer is correct
The correct answer is C. (0). There is no \(x^3\)-term, so its coefficient is (0). Treat the missing term as \(0x^3\).
Step 3
Exam Tip
\(x^3\) का पद उपस्थित नहीं है इसलिए उसका गुणांक (0) है। अनुपस्थित पद को \(0x^3\) समझें।
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बहुपद (p(x)=5x-3 +0x-2 -4x+12) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in (p(x)=5x-3 +0x-2 -4x+12)?
#coefficient
#missing term
#polynomial
A (0)
B (5)
C (-4)
D (12)
Explanation opens after your attempt
Step 1
Concept
The \(x^2\)-term is \(0x^2\), so the coefficient is (0). A missing or zero term has coefficient (0).
Step 2
Why this answer is correct
The correct answer is A. (0). The \(x^2\)-term is \(0x^2\), so the coefficient is (0). A missing or zero term has coefficient (0).
Step 3
Exam Tip
\(x^2\) वाला पद \(0x^2\) है इसलिए गुणांक (0) है। अनुपस्थित या शून्य पद का गुणांक (0) माना जाता है।
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(p(x)=8x-4 -5x-3 +2x-6) में \(x^4\) के पद का गुणांक क्या है?
What is the coefficient of the \(x^4\)-term in (p(x)=8x-4 -5x-3 +2x-6)?
#coefficient
#quartic term
#polynomial
A (8)
B (-5)
C (2)
D (-6)
Explanation opens after your attempt
Step 1
Concept
The coefficient of the \(x^4\)-term \(8x^4\) is (8). Identify the power and coefficient separately.
Step 2
Why this answer is correct
The correct answer is A. (8). The coefficient of the \(x^4\)-term \(8x^4\) is (8). Identify the power and coefficient separately.
Step 3
Exam Tip
\(x^4\) वाले पद \(8x^4\) का गुणांक (8) है। घात और गुणांक को अलग पहचानें।
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बहुपद (p(z)=-6z-5 +4z-4 -z+8) का अग्र गुणांक क्या है?
What is the leading coefficient of (p(z)=-6z-5 +4z-4 -z+8)?
#leading coefficient
#degree
#polynomial
A (-6)
B (4)
C (-1)
D (8)
Explanation opens after your attempt
Step 1
Concept
The coefficient of the highest power term \(z^5\) is (-6). The leading coefficient is written with its sign.
Step 2
Why this answer is correct
The correct answer is A. (-6). The coefficient of the highest power term \(z^5\) is (-6). The leading coefficient is written with its sign.
Step 3
Exam Tip
सबसे बड़ी घात \(z^5\) के पद का गुणांक (-6) है। अग्र गुणांक संकेत सहित लिखा जाता है।
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यदि (p(x)=9x-2 +cx-5) में (x) का गुणांक (-4) है, तो (c) क्या है?
If the coefficient of (x) in (p(x)=9x-2 +cx-5) is (-4), what is (c)?
#coefficient
#parameter
#polynomial
A (-9)
B (-5)
C (-4)
D (4)
Explanation opens after your attempt
Step 1
Concept
In (cx), the coefficient of (x) is (c). It is given that (c=-4).
Step 2
Why this answer is correct
The correct answer is C. (-4). In (cx), the coefficient of (x) is (c). It is given that (c=-4).
Step 3
Exam Tip
(cx) में (x) का गुणांक (c) है। दिया है कि (c=-4)।
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(p(x)=5x-3 -8x-2 +13x-21) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in (p(x)=5x-3 -8x-2 +13x-21)?
#coefficient
#sign
#polynomial
A (5)
B (-8)
C (13)
D (-21)
Explanation opens after your attempt
Step 1
Concept
The coefficient of the \(x^2\)-term \(-8x^2\) is (-8). Write the coefficient with its sign.
Step 2
Why this answer is correct
The correct answer is B. (-8). The coefficient of the \(x^2\)-term \(-8x^2\) is (-8). Write the coefficient with its sign.
Step 3
Exam Tip
\(x^2\) वाले पद \(-8x^2\) का गुणांक (-8) है। संकेत सहित गुणांक लिखना जरूरी है।
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निम्न में से किस बहुपद में प्रमुख गुणांक (1) नहीं है?
Which of the following polynomials does not have leading coefficient (1)?
#leading-coefficient
#monic-polynomial
#classification
A \(x^3+2x+5\)
B \(x^2-4\)
C \(3x^2+x+1\)
D \(x^5-x\)
Explanation opens after your attempt
Correct Answer
C. \(3x^2+x+1\)
Step 1
Concept
The leading term of \(3x^2+x+1\) is \(3x^2\). Its leading coefficient is (3), not (1).
Step 2
Why this answer is correct
The correct answer is C. \(3x^2+x+1\). The leading term of \(3x^2+x+1\) is \(3x^2\). Its leading coefficient is (3), not (1).
Step 3
Exam Tip
\(3x^2+x+1\) का प्रमुख पद \(3x^2\) है। इसका प्रमुख गुणांक (3) है, (1) नहीं।
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यदि \(x^3+2x^2+cx+5\) में (x) का गुणांक (6) है, तो (c+5) क्या होगा?
If the coefficient of (x) in \(x^3+2x^2+cx+5\) is (6), what will be (c+5)?
#coefficient
#parameter
#evaluation
A (6)
B (9)
C (11)
D (15)
Explanation opens after your attempt
Step 1
Concept
The coefficient of (x) is (c=6). Therefore (c+5=11).
Step 2
Why this answer is correct
The correct answer is C. (11). The coefficient of (x) is (c=6). Therefore (c+5=11).
Step 3
Exam Tip
(x) का गुणांक (c=6) है। इसलिए (c+5=11) होगा।
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बहुपद \(3x^4-5x^2+2x-8\) का प्रमुख गुणांक क्या है?
What is the leading coefficient of \(3x^4-5x^2+2x-8\)?
#leading-coefficient
#degree-four
#polynomial
A (3)
B (-5)
C (2)
D (-8)
Explanation opens after your attempt
Step 1
Concept
The leading term is \(3x^4\). Therefore the leading coefficient is (3).
Step 2
Why this answer is correct
The correct answer is A. (3). The leading term is \(3x^4\). Therefore the leading coefficient is (3).
Step 3
Exam Tip
प्रमुख पद \(3x^4\) है। इसलिए प्रमुख गुणांक (3) है।
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निम्न में से किस बहुपद में (x) का गुणांक (0) है?
In which of the following polynomials is the coefficient of (x) equal to (0)?
#coefficient
#missing-x-term
#polynomial
A \(x^2+5x+6\)
B \(3x^2-4\)
C \(2x^3+x-1\)
D (7x-9)
Explanation opens after your attempt
Correct Answer
B. \(3x^2-4\)
Step 1
Concept
In \(3x^2-4\), there is no (x)-term. So the coefficient of (x) is (0).
Step 2
Why this answer is correct
The correct answer is B. \(3x^2-4\). In \(3x^2-4\), there is no (x)-term. So the coefficient of (x) is (0).
Step 3
Exam Tip
\(3x^2-4\) में (x) का पद नहीं है। इसलिए (x) का गुणांक (0) है।
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बहुपद \(7x^5-3x^4+x^2-11\) में अनुपस्थित \(x^3\) पद का गुणांक क्या है?
What is the coefficient of the missing \(x^3\) term in \(7x^5-3x^4+x^2-11\)?
#missing-term
#coefficient
#degree
A (7)
B (-3)
C (0)
D (1)
Explanation opens after your attempt
Step 1
Concept
There is no \(x^3\) term in this polynomial. The coefficient of a missing term is taken as (0).
Step 2
Why this answer is correct
The correct answer is C. (0). There is no \(x^3\) term in this polynomial. The coefficient of a missing term is taken as (0).
Step 3
Exam Tip
इस बहुपद में \(x^3\) का पद नहीं है। अनुपस्थित पद का गुणांक (0) माना जाता है।
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यदि (p(x)=2x-3 +mx-2 -x+4) में \(x^2\) का गुणांक (-5) है, तो (m) क्या है?
If the coefficient of \(x^2\) in (p(x)=2x-3 +mx-2 -x+4) is (-5), what is (m)?
#coefficient
#parameter
#polynomial
A (5)
B (-5)
C (2)
D (-1)
Explanation opens after your attempt
Step 1
Concept
The multiplier of \(x^2\) is (m). Given (m=-5), so the answer is (-5).
Step 2
Why this answer is correct
The correct answer is B. (-5). The multiplier of \(x^2\) is (m). Given (m=-5), so the answer is (-5).
Step 3
Exam Tip
\(x^2\) के साथ लगा गुणक (m) है। दिया है (m=-5), इसलिए उत्तर (-5) है।
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बहुपद \(4x^3-2x^2+7x-9\) में \(x^2\) के गुणांक और नियत पद का योग क्या है?
In the polynomial \(4x^3-2x^2+7x-9\), what is the sum of the coefficient of \(x^2\) and the constant term?
#coefficient
#constant-term
#polynomial
A (-11)
B (-7)
C (7)
D (11)
Explanation opens after your attempt
Step 1
Concept
The coefficient of \(x^2\) is (-2) and the constant term is (-9). Their sum is (-11).
Step 2
Why this answer is correct
The correct answer is A. (-11). The coefficient of \(x^2\) is (-2) and the constant term is (-9). Their sum is (-11).
Step 3
Exam Tip
\(x^2\) का गुणांक (-2) और नियत पद (-9) है। उनका योग (-11) है।
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निम्न में से किस बहुपद का प्रमुख गुणांक (-2) है?
Which polynomial has leading coefficient (-2)?
#leading-coefficient
#cubic-polynomial
#easy
A \(5x^2-2x+1\)
B \(-2x^3+4x+7\)
C \(x^2-2\)
D (3x-2)
Explanation opens after your attempt
Correct Answer
B. \(-2x^3+4x+7\)
Step 1
Concept
The leading term of \(-2x^3+4x+7\) is \(-2x^3\). So the leading coefficient is (-2).
Step 2
Why this answer is correct
The correct answer is B. \(-2x^3+4x+7\). The leading term of \(-2x^3+4x+7\) is \(-2x^3\). So the leading coefficient is (-2).
Step 3
Exam Tip
\(-2x^3+4x+7\) का प्रमुख पद \(-2x^3\) है। इसलिए प्रमुख गुणांक (-2) है।
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\(5x^3+2x^2-x+8\) में \(x^3\) का गुणांक क्या है?
What is the coefficient of \(x^3\) in \(5x^3+2x^2-x+8\)?
#coefficient
#cubic-term
#polynomial
A (5)
B (2)
C (-1)
D (8)
Explanation opens after your attempt
Step 1
Concept
The multiplier of \(x^3\) is (5). A coefficient is identified from its related term.
Step 2
Why this answer is correct
The correct answer is A. (5). The multiplier of \(x^3\) is (5). A coefficient is identified from its related term.
Step 3
Exam Tip
\(x^3\) के साथ लगा गुणक (5) है। गुणांक हमेशा संबंधित पद से पहचाना जाता है।
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(p(x)=2x-3 +3x-2 -5) में (x) का गुणांक क्या है?
What is the coefficient of (x) in (p(x)=2x-3 +3x-2 -5)?
#coefficient
#missing term
#cubic
A (2)
B (3)
C (0)
D (-5)
Explanation opens after your attempt
Step 1
Concept
There is no (x)-term, so its coefficient is (0). Treat the missing term as (0x).
Step 2
Why this answer is correct
The correct answer is C. (0). There is no (x)-term, so its coefficient is (0). Treat the missing term as (0x).
Step 3
Exam Tip
इसमें (x) का पद उपस्थित नहीं है इसलिए उसका गुणांक (0) है। अनुपस्थित पद को (0x) समझें।
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बहुपद (p(x)=2x-2 +0x+3) में (x) का गुणांक क्या है?
What is the coefficient of (x) in (p(x)=2x-2 +0x+3)?
#coefficient
#missing term
#polynomial
A (0)
B (2)
C (3)
D (5)
Explanation opens after your attempt
Step 1
Concept
The (x)-term is (0x), so the coefficient of (x) is (0). Treat a missing term as having coefficient (0).
Step 2
Why this answer is correct
The correct answer is A. (0). The (x)-term is (0x), so the coefficient of (x) is (0). Treat a missing term as having coefficient (0).
Step 3
Exam Tip
(x) वाला पद (0x) है इसलिए (x) का गुणांक (0) है। अनुपस्थित पद का गुणांक (0) मानें।
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(p(x)=4x-3 -2x-2 +7x-1) में \(x^3\) के पद का गुणांक क्या है?
What is the coefficient of the \(x^3\) term in (p(x)=4x-3 -2x-2 +7x-1)?
#coefficient
#cubic term
#polynomial
A (4)
B (-2)
C (7)
D (-1)
Explanation opens after your attempt
Step 1
Concept
The coefficient attached to \(x^3\) is (4). Identify the exponent and coefficient separately.
Step 2
Why this answer is correct
The correct answer is A. (4). The coefficient attached to \(x^3\) is (4). Identify the exponent and coefficient separately.
Step 3
Exam Tip
\(x^3\) के साथ गुणांक (4) जुड़ा है। घात और गुणांक को अलग अलग पहचानें।
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बहुपद (p(y)=9y-4 -y-2 +5y-6) का अग्र गुणांक क्या है?
What is the leading coefficient of (p(y)=9y-4 -y-2 +5y-6)?
#leading coefficient
#degree
#polynomial
A (9)
B (-1)
C (5)
D (-6)
Explanation opens after your attempt
Step 1
Concept
The coefficient of the highest power term \(y^4\) is (9). That is the leading coefficient.
Step 2
Why this answer is correct
The correct answer is A. (9). The coefficient of the highest power term \(y^4\) is (9). That is the leading coefficient.
Step 3
Exam Tip
सबसे बड़ी घात \(y^4\) के पद का गुणांक (9) है। अग्र गुणांक वही होता है।
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(p(x)=2x-2 +kx+8) में (x) का गुणांक (5) हो तो (k) क्या है?
If the coefficient of (x) in (p(x)=2x-2 +kx+8) is (5), what is (k)?
#coefficient
#parameter
#polynomial
A (2)
B (5)
C (8)
D (10)
Explanation opens after your attempt
Step 1
Concept
In (kx), the coefficient of (x) is (k). It is given that (k=5).
Step 2
Why this answer is correct
The correct answer is B. (5). In (kx), the coefficient of (x) is (k). It is given that (k=5).
Step 3
Exam Tip
(kx) में (x) का गुणांक (k) है। दिया है (k=5)।
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व्यंजक \(7x^3+2x^2-x+6\) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in \(7x^3+2x^2-x+6\)?
#coefficient
#term
#polynomial
A (7)
B (2)
C (-1)
D (6)
Explanation opens after your attempt
Step 1
Concept
The numerical factor attached to \(x^2\) is (2). When coefficient is asked, identify the exact term.
Step 2
Why this answer is correct
The correct answer is B. (2). The numerical factor attached to \(x^2\) is (2). When coefficient is asked, identify the exact term.
Step 3
Exam Tip
\(x^2\) के साथ लगा संख्या गुणक (2) है। गुणांक पूछने पर उसी पद को पहचानें।
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बहुपद \(6x^2-x+13\) में (x) के गुणांक का सही मान कौन सा है?
Which is the correct coefficient of (x) in \(6x^2-x+13\)?
#coefficient
#negative-one
A (6)
B (-1)
C (1)
D (13)
Explanation opens after your attempt
Step 1
Concept
(-x) means (-1x), so the coefficient is (-1). Identify the hidden (1) with its sign.
Step 2
Why this answer is correct
The correct answer is B. (-1). (-x) means (-1x), so the coefficient is (-1). Identify the hidden (1) with its sign.
Step 3
Exam Tip
(-x) का अर्थ (-1x) है इसलिए गुणांक (-1) है। छिपे हुए (1) को चिह्न सहित पहचानें।
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बहुपद \(x^3+4x^2-5\) में (x) का गुणांक क्या है?
What is the coefficient of (x) in \(x^3+4x^2-5\)?
#coefficient
#missing-term
A (1)
B (4)
C (0)
D (-5)
Explanation opens after your attempt
Step 1
Concept
It has no (x)-term, so the coefficient of (x) is (0). It is important to identify missing terms quickly.
Step 2
Why this answer is correct
The correct answer is C. (0). It has no (x)-term, so the coefficient of (x) is (0). It is important to identify missing terms quickly.
Step 3
Exam Tip
इसमें (x) का पद नहीं है इसलिए (x) का गुणांक (0) है। अनुपस्थित पद को तुरंत पहचानना जरूरी है।
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बहुपद \(10x^3-6x^2+2x-1\) में (x) का गुणांक क्या है?
What is the coefficient of (x) in \(10x^3-6x^2+2x-1\)?
#coefficient
#x-term
A (10)
B (-6)
C (2)
D (-1)
Explanation opens after your attempt
Step 1
Concept
The coefficient of the (x)-term (2x) is (2). Look only at the term containing \(x^1\).
Step 2
Why this answer is correct
The correct answer is C. (2). The coefficient of the (x)-term (2x) is (2). Look only at the term containing \(x^1\).
Step 3
Exam Tip
(x) वाले पद (2x) का गुणांक (2) है। केवल उसी पद को देखें जिसमें \(x^1\) हो।
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\(2x^3-7\) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in \(2x^3-7\)?
#coefficient
#missing-power
A (2)
B (0)
C (-7)
D (3)
Explanation opens after your attempt
Step 1
Concept
There is no \(x^2\) term, so the coefficient is (0). A missing power can be treated as a term with zero coefficient.
Step 2
Why this answer is correct
The correct answer is B. (0). There is no \(x^2\) term, so the coefficient is (0). A missing power can be treated as a term with zero coefficient.
Step 3
Exam Tip
\(x^2\) का कोई पद नहीं है इसलिए गुणांक (0) है। अनुपस्थित घात को शून्य गुणांक वाला पद माना जा सकता है।
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\(4x^2+0x+9\) में कितने शून्य गुणांक वाले पद को स्पष्ट लिखा गया है?
How many terms with zero coefficient are explicitly written in \(4x^2+0x+9\)?
#zero-coefficient
#terms
A (0)
B (1)
C (2)
D (3)
Explanation opens after your attempt
Step 1
Concept
(0x) is one term whose coefficient is (0). A zero-coefficient term does not change the value.
Step 2
Why this answer is correct
The correct answer is B. (1). (0x) is one term whose coefficient is (0). A zero-coefficient term does not change the value.
Step 3
Exam Tip
(0x) एक ऐसा पद है जिसका गुणांक (0) है। शून्य गुणांक वाला पद लिखने पर भी मान नहीं बदलता।
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\(3x^2-5x+7\) में प्रमुख गुणांक क्या है?
What is the leading coefficient of \(3x^2-5x+7\)?
#leading-coefficient
#polynomial
A (3)
B (-5)
C (7)
D (2)
Explanation opens after your attempt
Step 1
Concept
The leading term is \(3x^2\), so the leading coefficient is (3). The coefficient of the highest degree term is the leading coefficient.
Step 2
Why this answer is correct
The correct answer is A. (3). The leading term is \(3x^2\), so the leading coefficient is (3). The coefficient of the highest degree term is the leading coefficient.
Step 3
Exam Tip
प्रमुख पद \(3x^2\) है इसलिए प्रमुख गुणांक (3) है। सबसे बड़ी घात वाले पद का गुणांक प्रमुख गुणांक कहलाता है।
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बहुपद \(8x^5-3x^2+4\) में \(x^3\) का गुणांक क्या है?
What is the coefficient of \(x^3\) in \(8x^5-3x^2+4\)?
#missing-term
#coefficient
A (8)
B (-3)
C (0)
D (4)
Explanation opens after your attempt
Step 1
Concept
There is no \(x^3\) term, so its coefficient is (0). The coefficient of a missing term is taken as (0).
Step 2
Why this answer is correct
The correct answer is C. (0). There is no \(x^3\) term, so its coefficient is (0). The coefficient of a missing term is taken as (0).
Step 3
Exam Tip
इस बहुपद में \(x^3\) का पद नहीं है इसलिए उसका गुणांक (0) है। अनुपस्थित पद का गुणांक (0) माना जाता है।
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\(x^2-7x\) में (x) का गुणांक क्या है?
What is the coefficient of (x) in \(x^2-7x\)?
#coefficient
#sign-error
A (1)
B (-7)
C (7)
D (0)
Explanation opens after your attempt
Step 1
Concept
The multiplier of (x) is (-7). Treat the negative sign as part of the coefficient.
Step 2
Why this answer is correct
The correct answer is B. (-7). The multiplier of (x) is (-7). Treat the negative sign as part of the coefficient.
Step 3
Exam Tip
(x) के साथ लगा गुणक (-7) है। ऋण चिह्न को गुणांक का भाग मानें।
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बहुपद \(5x^2-8x+6\) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in \(5x^2-8x+6\)?
#coefficient
#polynomial-terms
#easy
A (5)
B (-8)
C (6)
D (2)
Explanation opens after your attempt
Step 1
Concept
The multiplier of \(x^2\) is (5). Identify the coefficient separately from the variable part.
Step 2
Why this answer is correct
The correct answer is A. (5). The multiplier of \(x^2\) is (5). Identify the coefficient separately from the variable part.
Step 3
Exam Tip
\(x^2\) के साथ लगा गुणक (5) है। पद के गुणांक को उसके चर भाग से अलग पहचानें।
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यदि (p(x)=2x-3 -5x+9) है, तो इसमें \(x^2\) का गुणांक क्या है?
If (p(x)=2x-3 -5x+9), what is the coefficient of \(x^2\)?
#polynomials
#one-variable
#coefficient
#missing-term
A (2)
B (-5)
C (9)
D (0)
Explanation opens after your attempt
Step 1
Concept
There is no \(x^2\)-term in this polynomial, so its coefficient is (0). The coefficient of a missing term is always taken as (0).
Step 2
Why this answer is correct
The correct answer is D. (0). There is no \(x^2\)-term in this polynomial, so its coefficient is (0). The coefficient of a missing term is always taken as (0).
Step 3
Exam Tip
इस बहुपद में \(x^2\) पद नहीं है, इसलिए उसका गुणांक (0) है। अनुपस्थित पद का गुणांक हमेशा (0) माना जाता है।
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बहुपद \(2x^2+3x+4\) में (x) का गुणांक और नियत पद क्रमशः क्या हैं?
In \(2x^2+3x+4\), what are the coefficient of (x) and the constant term respectively?
#polynomials
#coefficient
#constant-term
#easy
A (3,4)
B (2,3)
C (4,3)
D (2,4)
Explanation opens after your attempt
Step 1
Concept
The coefficient of (x) is (3), and the constant term is (4). Keep the asked order in mind.
Step 2
Why this answer is correct
The correct answer is A. (3,4). The coefficient of (x) is (3), and the constant term is (4). Keep the asked order in mind.
Step 3
Exam Tip
(x) का गुणांक (3) और नियत पद (4) है। क्रमशः पूछे गए क्रम का ध्यान रखें।
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\(4x^3+x+2\) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in \(4x^3+x+2\)?
#polynomials
#missing-term
#easy
#coefficient
A (4)
B (1)
C (2)
D (0)
Explanation opens after your attempt
Step 1
Concept
There is no \(x^2\)-term, so its coefficient is (0). The coefficient of a missing term is taken as zero.
Step 2
Why this answer is correct
The correct answer is D. (0). There is no \(x^2\)-term, so its coefficient is (0). The coefficient of a missing term is taken as zero.
Step 3
Exam Tip
इस बहुपद में \(x^2\) पद नहीं है, इसलिए उसका गुणांक (0) है। अनुपस्थित पद का गुणांक शून्य माना जाता है।
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बहुपद \(2x^2-7x+1\) में अग्र गुणांक क्या है?
What is the leading coefficient of \(2x^2-7x+1\)?
#polynomials
#leading-coefficient
#easy
A (2)
B (-7)
C (1)
D (0)
Explanation opens after your attempt
Step 1
Concept
The coefficient of the highest-degree term \(2x^2\) is (2). This is called the leading coefficient.
Step 2
Why this answer is correct
The correct answer is A. (2). The coefficient of the highest-degree term \(2x^2\) is (2). This is called the leading coefficient.
Step 3
Exam Tip
सबसे बड़ी घात वाले पद \(2x^2\) का गुणांक (2) है। इसी को अग्र गुणांक कहते हैं।
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\(8x^3-5x^2+4\) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in \(8x^3-5x^2+4\)?
#polynomials
#coefficient
#easy
#sign
A (8)
B (-5)
C (4)
D (2)
Explanation opens after your attempt
Step 1
Concept
The \(x^2\)-term is \(-5x^2\), so the coefficient is (-5). Write the sign with the coefficient.
Step 2
Why this answer is correct
The correct answer is B. (-5). The \(x^2\)-term is \(-5x^2\), so the coefficient is (-5). Write the sign with the coefficient.
Step 3
Exam Tip
\(x^2\) वाला पद \(-5x^2\) है, इसलिए गुणांक (-5) है। चिह्न को गुणांक के साथ लिखें।
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बहुपद \(4x^2+0x+6\) में (x) का गुणांक क्या है?
What is the coefficient of (x) in \(4x^2+0x+6\)?
#polynomials
#coefficient
#easy
#level48
A (4)
B (0)
C (6)
D (1)
Explanation opens after your attempt
Step 1
Concept
The (x)-term is (0x), so its coefficient is (0). Notice hidden zero terms.
Step 2
Why this answer is correct
The correct answer is B. (0). The (x)-term is (0x), so its coefficient is (0). Notice hidden zero terms.
Step 3
Exam Tip
(x) वाला पद (0x) है इसलिए गुणांक (0) है। छिपे हुए शून्य पदों पर ध्यान दें।
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बहुपद (p(x)=2x-4 -5x-3 +x-8) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in (p(x)=2x-4 -5x-3 +x-8)?
#coefficient
#missing_term
#degree_four
A (2)
B \(-5\)
C (1)
D (0)
Explanation opens after your attempt
Step 1
Concept
There is no \(x^2\) term in this polynomial. Therefore the coefficient of \(x^2\) is (0).
Step 2
Why this answer is correct
The correct answer is D. (0). There is no \(x^2\) term in this polynomial. Therefore the coefficient of \(x^2\) is (0).
Step 3
Exam Tip
इस बहुपद में \(x^2\) पद नहीं है। इसलिए \(x^2\) का गुणांक (0) है।
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यदि (p(x)=2x-2 +kx+3) में (x) का गुणांक (5) है, तो (k) का मान क्या है?
If the coefficient of (x) in (p(x)=2x-2 +kx+3) is (5), what is the value of (k)?
#coefficient
#parameter
#polynomials
A (2)
B (3)
C (5)
D (8)
Explanation opens after your attempt
Step 1
Concept
In (kx), the coefficient of (x) is (k). Therefore (k=5).
Step 2
Why this answer is correct
The correct answer is C. (5). In (kx), the coefficient of (x) is (k). Therefore (k=5).
Step 3
Exam Tip
(kx) में (x) का गुणांक (k) है। इसलिए (k=5) होगा।
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बहुपद \(2x^2-9\) में (x) का गुणांक क्या है?
What is the coefficient of (x) in \(2x^2-9\)?
#coefficient
#missing_term
#polynomials
A (2)
B \(-9\)
C (0)
D (1)
Explanation opens after your attempt
Step 1
Concept
There is no (x)-term, so its coefficient is (0). In exams, treat the coefficient of a missing term as (0).
Step 2
Why this answer is correct
The correct answer is C. (0). There is no (x)-term, so its coefficient is (0). In exams, treat the coefficient of a missing term as (0).
Step 3
Exam Tip
इसमें (x) वाला पद लिखा नहीं है इसलिए उसका गुणांक (0) है। परीक्षा में लुप्त पद का गुणांक (0) मानें।
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बहुपद \(x^5-4x^2+10\) में लुप्त \(x^4\) पद का गुणांक क्या है?
What is the coefficient of the missing \(x^4\) term in \(x^5-4x^2+10\)?
#missing_term
#coefficient
#polynomials
A (1)
B \(-4\)
C (0)
D (10)
Explanation opens after your attempt
Step 1
Concept
A missing term is treated as having coefficient (0). So the coefficient of \(x^4\) is (0).
Step 2
Why this answer is correct
The correct answer is C. (0). A missing term is treated as having coefficient (0). So the coefficient of \(x^4\) is (0).
Step 3
Exam Tip
जो पद लिखा नहीं है उसका गुणांक (0) माना जाता है। इसलिए \(x^4\) का गुणांक (0) है।
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बहुपद \(9x^4-2x^3+7\) में \(x^3\) का गुणांक क्या है?
What is the coefficient of \(x^3\) in \(9x^4-2x^3+7\)?
#coefficient
#terms
#polynomials
A (9)
B \(-2\)
C (7)
D (3)
Explanation opens after your attempt
Step 1
Concept
The number attached to \(x^3\) is (-2). So the coefficient of \(x^3\) is (-2).
Step 2
Why this answer is correct
The correct answer is B. \(-2\). The number attached to \(x^3\) is (-2). So the coefficient of \(x^3\) is (-2).
Step 3
Exam Tip
\(x^3\) के साथ (-2) लगा है। इसलिए \(x^3\) का गुणांक (-2) है।
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बहुपद \(5x^4-3x^2+x-6\) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in \(5x^4-3x^2+x-6\)?
#coefficient
#polynomials
#terms
A (5)
B \(-3\)
C (1)
D \(-6\)
Explanation opens after your attempt
Step 1
Concept
The number attached to \(x^2\) is (-3). In exams, include the sign of the term in the coefficient.
Step 2
Why this answer is correct
The correct answer is B. \(-3\). The number attached to \(x^2\) is (-3). In exams, include the sign of the term in the coefficient.
Step 3
Exam Tip
\(x^2\) के साथ लगा संख्या गुणांक (-3) है। परीक्षा में पद का चिह्न भी गुणांक में शामिल करें।
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यदि किसी द्विघात समीकरण की जड़ें (3) और (-2) हैं और \(x^2\) का गुणांक (2) है, तो समीकरण कौन-सा है?
If the roots of a quadratic equation are (3) and (-2), and the coefficient of \(x^2\) is (2), which is the equation?
#quadratic-roots
#forming-equation
#leading-coefficient
A \(2x^2-2x-12=0\)
B \(2x^2+2x-12=0\)
C \(2x^2-2x+12=0\)
D \(x^2-x-6=0\)
Explanation opens after your attempt
Correct Answer
A. \(2x^2-2x-12=0\)
Step 1
Concept
The monic equation is \(x^2-x-6=0\). Since the coefficient of \(x^2\) must be (2), multiply the whole equation by (2).
Step 2
Why this answer is correct
The correct answer is A. \(2x^2-2x-12=0\). The monic equation is \(x^2-x-6=0\). Since the coefficient of \(x^2\) must be (2), multiply the whole equation by (2).
Step 3
Exam Tip
मॉनिक समीकरण \(x^2-x-6=0\) है। \(x^2\) का गुणांक (2) चाहिए, इसलिए पूरे समीकरण को (2) से गुणा करें।
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मानक रूप \(ax^2+bx+c=0\) में \(x^2\) का गुणांक किससे दर्शाया जाता है?
In the standard form \(ax^2+bx+c=0\), which symbol denotes the coefficient of \(x^2\)?
#quadratic-equations
#standard-form
#coefficient-a
A (b)
B (a)
C (c)
D (x)
Explanation opens after your attempt
Step 1
Concept
In standard form, the coefficient of \(x^2\) is (a). This coefficient must not be (0).
Step 2
Why this answer is correct
The correct answer is B. (a). In standard form, the coefficient of \(x^2\) is (a). This coefficient must not be (0).
Step 3
Exam Tip
मानक रूप में \(x^2\) का गुणांक (a) होता है। यही गुणांक (0) नहीं होना चाहिए।
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समीकरण \(2x^2-x+8=0\) में (x) का गुणांक क्या है?
What is the coefficient of (x) in \(2x^2-x+8=0\)?
#quadratic-equations
#coefficient-b
#signs
A (-1)
B (1)
C (2)
D (8)
Explanation opens after your attempt
Step 1
Concept
The coefficient of (-x) is (-1). It is necessary to write the coefficient with its sign.
Step 2
Why this answer is correct
The correct answer is A. (-1). The coefficient of (-x) is (-1). It is necessary to write the coefficient with its sign.
Step 3
Exam Tip
(-x) का गुणांक (-1) होता है। चिन्ह सहित गुणांक लिखना जरूरी है।
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समीकरण \(5x^2-2x+1=0\) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in \(5x^2-2x+1=0\)?
#quadratic-equations
#coefficient-a
#easy
A (5)
B (2)
C (1)
D (-2)
Explanation opens after your attempt
Step 1
Concept
The coefficient attached to \(x^2\) is (5). While writing a coefficient, take the numerical part attached to the term.
Step 2
Why this answer is correct
The correct answer is A. (5). The coefficient attached to \(x^2\) is (5). While writing a coefficient, take the numerical part attached to the term.
Step 3
Exam Tip
\(x^2\) के साथ लगा गुणांक (5) है। गुणांक लिखते समय केवल पद के साथ लगा संख्यात्मक भाग लें।
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यदि \(x^2+kx+12=0\) एक द्विघात समीकरण है तो (k) किस पद का गुणांक है?
If \(x^2+kx+12=0\) is a quadratic equation, then (k) is the coefficient of which term?
#quadratic equations
#coefficient
#standard form
A \(x^2\) पद / \(x^2\) term
B (x) पद / (x) term
C स्थिर पद (12) / Constant term (12)
D शून्य पद (0) / Zero term (0)
Explanation opens after your attempt
Correct Answer
B. (x) पद / (x) term
Step 1
Concept
In \(ax^2+bx+c=0\), (b) is the coefficient of (x). Here in (kx), (k) is the coefficient of (x).
Step 2
Why this answer is correct
The correct answer is B. (x) पद / (x) term. In \(ax^2+bx+c=0\), (b) is the coefficient of (x). Here in (kx), (k) is the coefficient of (x).
Step 3
Exam Tip
मानक रूप \(ax^2+bx+c=0\) में (x) का गुणांक (b) होता है। यहां (kx) में (k) (x) का गुणांक है।
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समीकरण \(x^2+8x+16=0\) में \(x^2\) का गुणांक क्या है?
What is the coefficient of \(x^2\) in \(x^2+8x+16=0\)?
#quadratic equations
#coefficient
#implicit one
A (0)
B (1)
C (8)
D (16)
Explanation opens after your attempt
Step 1
Concept
When no number is written before \(x^2\), its coefficient is (1). This is a common exam mistake.
Step 2
Why this answer is correct
The correct answer is B. (1). When no number is written before \(x^2\), its coefficient is (1). This is a common exam mistake.
Step 3
Exam Tip
जब \(x^2\) के आगे कोई संख्या नहीं लिखी होती तब गुणांक (1) होता है। यह सामान्य परीक्षा गलती है।
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मैग्नीशियम के जलने की अभिक्रिया में ऑक्सीजन अणु के आगे गुणांक एक है। संतुलित समीकरण में मैग्नीशियम के आगे कौन सा गुणांक होगा?
In the burning reaction of magnesium the coefficient before oxygen molecule is one. What coefficient will be before magnesium in the balanced equation?
#science
#class10
#hard
#magnesium-oxide
#balancing
A एक / One
B दो / Two
C तीन / Three
D चार / Four
Explanation opens after your attempt
Step 1
Concept
One oxygen molecule has two oxygen atoms.
Step 2
Why this answer is correct
In magnesium oxide one magnesium combines with one oxygen.
Step 3
Exam Tip
Therefore two magnesium atoms are required. चरण 1: एक ऑक्सीजन अणु में दो ऑक्सीजन परमाणु होते हैं। चरण 2: मैग्नीशियम ऑक्साइड में एक मैग्नीशियम के साथ एक ऑक्सीजन जुड़ती है। चरण 3: इसलिए दो मैग्नीशियम परमाणुओं की जरूरत होगी।
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यदि किसी युग्म में गुणांक अनुपात समान है और स्थिर पद का अनुपात अलग है, तो हल-स्थिति क्या होगी?
If coefficient ratios are equal and the constant ratio is different in a pair, what is the solution status?
#class10
#linear-equations
#solvability
A अद्वितीय हल / Unique solution
B अनंत हल / Infinitely many solutions
C कोई हल नहीं / No solution
D सदैव दो हल / Always two solutions
Explanation opens after your attempt
Correct Answer
C. कोई हल नहीं / No solution
Step 1
Concept
This condition forms distinct parallel lines. Therefore, the pair is inconsistent.
Step 2
Why this answer is correct
The correct answer is C. कोई हल नहीं / No solution. This condition forms distinct parallel lines. Therefore, the pair is inconsistent.
Step 3
Exam Tip
यह स्थिति अलग-अलग समांतर रेखाएँ बनाती है। इसलिए युग्म असंगत होता है।
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किस युग्म की रेखाएं अलग गुणांक अनुपातों के कारण एक अद्वितीय समाधान देंगी?
Which pair will give a unique solution because of different coefficient ratios?
#graphical method
#unique solution
#intersecting lines
#ratio test
A (4x+8y=16), (x+2y=5)
B (5x-2y=11), (x+y=7)
C (6x-3y=9), (2x-y=3)
D (7x+14y=28), (x+2y=4)
Explanation opens after your attempt
Correct Answer
B. (5x-2y=11), (x+y=7)
Step 1
Concept
For (5x-2y=11) and (x+y=7), \(\frac{5}{1}\neq\frac{-2}{1}\), so the lines intersect. Different coefficient ratios give a unique solution.
Step 2
Why this answer is correct
The correct answer is B. (5x-2y=11), (x+y=7). For (5x-2y=11) and (x+y=7), \(\frac{5}{1}\neq\frac{-2}{1}\), so the lines intersect. Different coefficient ratios give a unique solution.
Step 3
Exam Tip
(5x-2y=11) और (x+y=7) में \(\frac{5}{1}\neq\frac{-2}{1}\), इसलिए रेखाएं प्रतिच्छेदी हैं। अलग गुणांक अनुपात अद्वितीय समाधान देता है।
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बहुपद \(6x^5+x^2-4\) का अग्र गुणांक क्या है?
What is the leading coefficient of \(6x^5+x^2-4\)?
#leading_coefficient
#polynomials
#degree
A (6)
B (1)
C \(-4\)
D (5)
Explanation opens after your attempt
Step 1
Concept
The term with the highest power is \(6x^5\). So the leading coefficient is (6).
Step 2
Why this answer is correct
The correct answer is A. (6). The term with the highest power is \(6x^5\). So the leading coefficient is (6).
Step 3
Exam Tip
सबसे बड़ी घात वाला पद \(6x^5\) है। इसलिए अग्र गुणांक (6) है।
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यदि (x=3) और (x=8) किसी मोनिक द्विघात समीकरण के मूल हैं तो (x) का गुणांक क्या होगा?
If (x=3) and (x=8) are roots of a monic quadratic equation, what will be the coefficient of (x)?
#roots
#coefficient_from_roots
#monic
A (-11)
B (11)
C (24)
D (-24)
Explanation opens after your attempt
Step 1
Concept
\(The sum of roots is (3+8=11). In a monic equation the coefficient of (x) is (-(\)sum\()=-11).\)
Step 2
Why this answer is correct
\(The correct answer is A. (-11). The sum of roots is (3+8=11). In a monic equation the coefficient of (x) is (-(\)sum\()=-11).\)
Step 3
Exam Tip
मूलों का योग (3+8=11) है। मोनिक समीकरण में (x) का गुणांक (-(योग\()=-11) होता है\)।
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यदि (x=2) और (x=7) किसी मोनिक द्विघात समीकरण के मूल हैं तो (x) का गुणांक क्या होगा?
If (x=2) and (x=7) are roots of a monic quadratic equation, what will be the coefficient of (x)?
#roots
#coefficient_from_roots
#monic
A (-9)
B (9)
C (14)
D (-14)
Explanation opens after your attempt
Step 1
Concept
\(The sum of roots is (2+7=9). In a monic equation the coefficient of (x) is (-(\)sum\()=-9).\)
Step 2
Why this answer is correct
\(The correct answer is A. (-9). The sum of roots is (2+7=9). In a monic equation the coefficient of (x) is (-(\)sum\()=-9).\)
Step 3
Exam Tip
मूलों का योग (2+7=9) है। मोनिक समीकरण में (x) का गुणांक (-(योग\()=-9) होता है\)।
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यदि (x=1) और (x=4) किसी मोनिक द्विघात समीकरण के मूल हैं तो (x) का गुणांक क्या होगा?
If (x=1) and (x=4) are roots of a monic quadratic equation, what will be the coefficient of (x)?
#roots
#coefficient_from_roots
#monic
A (-5)
B (5)
C (4)
D (-4)
Explanation opens after your attempt
Step 1
Concept
\(The sum of roots is (1+4=5). In a monic equation the coefficient of (x) is (-(\)sum\()=-5).\)
Step 2
Why this answer is correct
\(The correct answer is A. (-5). The sum of roots is (1+4=5). In a monic equation the coefficient of (x) is (-(\)sum\()=-5).\)
Step 3
Exam Tip
मूलों का योग (1+4=5) है। मोनिक समीकरण में (x) का गुणांक (-(योग\()=-5) होता है\)।
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समीकरण \(8x-x^2=15\) का मानक रूप कौन-सा है जिसमें \(x^2\) का गुणांक धनात्मक हो?
What is the standard form of \(8x-x^2=15\) with positive coefficient of \(x^2\)?
#quadratic-equations
#standard-form
#transposition
#medium
A \(x^2-8x+15=0\)
B \(x^2+8x-15=0\)
C \(x^2-8x-15=0\)
D \(x^2+8x+15=0\)
Explanation opens after your attempt
Correct Answer
A. \(x^2-8x+15=0\)
Step 1
Concept
Bringing all terms to one side gives \(-x^2+8x-15=0\). Multiplying by (-1) gives \(x^2-8x+15=0\).
Step 2
Why this answer is correct
The correct answer is A. \(x^2-8x+15=0\). Bringing all terms to one side gives \(-x^2+8x-15=0\). Multiplying by (-1) gives \(x^2-8x+15=0\).
Step 3
Exam Tip
सभी पद एक ओर लाने पर \(-x^2+8x-15=0\) मिलता है। (-1) से गुणा करने पर \(x^2-8x+15=0\) मिलता है।
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समीकरण \(5x-2x^2=9\) का मानक रूप कौन-सा है जिसमें \(x^2\) का गुणांक धनात्मक हो?
What is the standard form of \(5x-2x^2=9\) with positive coefficient of \(x^2\)?
#quadratic-equations
#standard-form
#signs
#medium
A \(2x^2-5x+9=0\)
B \(2x^2+5x-9=0\)
C \(2x^2-5x-9=0\)
D \(2x^2+5x+9=0\)
Explanation opens after your attempt
Correct Answer
A. \(2x^2-5x+9=0\)
Step 1
Concept
Bringing all terms to one side gives \(-2x^2+5x-9=0\), and multiplying by (-1) gives \(2x^2-5x+9=0\). Change signs carefully in standard form.
Step 2
Why this answer is correct
The correct answer is A. \(2x^2-5x+9=0\). Bringing all terms to one side gives \(-2x^2+5x-9=0\), and multiplying by (-1) gives \(2x^2-5x+9=0\). Change signs carefully in standard form.
Step 3
Exam Tip
सभी पद एक ओर लाकर \(-2x^2+5x-9=0\) मिलता है और (-1) से गुणा करने पर \(2x^2-5x+9=0\) मिलता है। मानक रूप में चिन्ह सावधानी से बदलें।
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यदि \(\sqrt{3}\) और \(\sqrt{12}\) किसी द्विघात बहुपद के शून्यक हैं, तो एकक बहुपद में (x) का गुणांक क्या होगा?
If \(\sqrt{3}\) and \(\sqrt{12}\) are zeroes of a monic quadratic polynomial, what will be the coefficient of (x)?
#radical-simplification
#monic-polynomial
#coefficient
A \(-3\sqrt{3}\)
B \(-\sqrt{15}\)
C \(3\sqrt{3}\)
D \(-2\sqrt{3}\)
Explanation opens after your attempt
Correct Answer
A. \(-3\sqrt{3}\)
Step 1
Concept
\(\sqrt{12}=2\sqrt{3}\), so the sum is \(3\sqrt{3}\). In a monic polynomial, the coefficient of (x) is the negative of the sum of zeroes.
Step 2
Why this answer is correct
The correct answer is A. \(-3\sqrt{3}\). \(\sqrt{12}=2\sqrt{3}\), so the sum is \(3\sqrt{3}\). In a monic polynomial, the coefficient of (x) is the negative of the sum of zeroes.
Step 3
Exam Tip
\(\sqrt{12}=2\sqrt{3}\), इसलिए योग \(3\sqrt{3}\) है। एकक बहुपद में (x) का गुणांक शून्यकों के योग का ऋणात्मक होता है।
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यदि \(2+\sqrt{13}\) परिमेय गुणांकों वाले द्विघात बहुपद का एक शून्यक है, तो उस बहुपद में (x) का गुणांक किस रूप में हो सकता है?
If \(2+\sqrt{13}\) is one zero of a quadratic polynomial with rational coefficients, what can the coefficient of (x) be?
#rational-coefficients
#conjugate-root
#coefficient
A (-4)
B (4)
C \(-2-\sqrt{13}\)
D \(\sqrt{13}\)
Explanation opens after your attempt
Step 1
Concept
The other zero will be \(2-\sqrt{13}\), so the sum is (4). In a monic polynomial, the coefficient of (x) will be (-4).
Step 2
Why this answer is correct
The correct answer is A. (-4). The other zero will be \(2-\sqrt{13}\), so the sum is (4). In a monic polynomial, the coefficient of (x) will be (-4).
Step 3
Exam Tip
दूसरा शून्यक \(2-\sqrt{13}\) होगा, इसलिए योग (4) है। एकक बहुपद में (x) का गुणांक (-4) होगा।
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मैग्नीशियम के जलने की अभिक्रिया को संतुलित करते समय मैग्नीशियम ऑक्साइड के आगे कौन सा गुणांक लगाया जाता है?
While balancing the burning reaction of magnesium what coefficient is placed before magnesium oxide?
#science
#class10
#balancing
#magnesium-oxide
A एक / One
B दो / Two
C तीन / Three
D चार / Four
Explanation opens after your attempt
Step 1
Concept
Magnesium combines with oxygen to form magnesium oxide.
Step 2
Why this answer is correct
To balance oxygen atoms coefficient two is placed before magnesium oxide.
Step 3
Exam Tip
Then magnesium is also made two to balance the equation. चरण 1: मैग्नीशियम ऑक्सीजन से मिलकर मैग्नीशियम ऑक्साइड बनाता है। चरण 2: ऑक्सीजन परमाणुओं को बराबर करने के लिए मैग्नीशियम ऑक्साइड के आगे दो लगाया जाता है। चरण 3: फिर मैग्नीशियम के आगे भी दो लगाकर समीकरण संतुलित होता है।
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संतुलित समीकरण में हाइड्रोजन और ऑक्सीजन से जल बनने पर जल के आगे कौन सा गुणांक लगता है?
In the balanced equation for formation of water from hydrogen and oxygen what coefficient is placed before water?
#science
#class10
#balanced-equation
#water
A एक / One
B दो / Two
C तीन / Three
D चार / Four
Explanation opens after your attempt
Step 1
Concept
In water formation atoms must be equal on both sides.
Step 2
Why this answer is correct
In the balanced form coefficient two is placed before water.
Step 3
Exam Tip
Count atoms first in small equations. चरण 1: हाइड्रोजन और ऑक्सीजन से जल बनने में दोनों ओर परमाणु बराबर करने होते हैं। चरण 2: संतुलित रूप में जल के आगे दो लगाया जाता है। चरण 3: छोटे समीकरणों में पहले परमाणुओं की गिनती करें।
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पश्चिमी घाट और पूर्वी घाट के बीच सही तुलना कौन-सी है?
Which is the correct comparison between Western Ghats and Eastern Ghats?
#indian geography
#western ghats
#eastern ghats
#comparison
A पश्चिमी घाट अधिक निरंतर हैं और पूर्वी घाट अधिक खंडित हैं / Western Ghats are more continuous and Eastern Ghats are more broken
B पूर्वी घाट अधिक हिमाच्छादित हैं / Eastern Ghats are more snow-covered
C दोनों केवल रेगिस्तानी टीले हैं / Both are only desert dunes
D पश्चिमी घाट हिमालय की बाहरी श्रेणी हैं / Western Ghats are the outer Himalaya
Explanation opens after your attempt
Correct Answer
A. पश्चिमी घाट अधिक निरंतर हैं और पूर्वी घाट अधिक खंडित हैं / Western Ghats are more continuous and Eastern Ghats are more broken
Step 1
Concept
Western Ghats are more continuous than the Eastern Ghats. For exams, remember the Eastern Ghats as a range cut by rivers.
Step 2
Why this answer is correct
The correct answer is A. पश्चिमी घाट अधिक निरंतर हैं और पूर्वी घाट अधिक खंडित हैं / Western Ghats are more continuous and Eastern Ghats are more broken. Western Ghats are more continuous than the Eastern Ghats. For exams, remember the Eastern Ghats as a range cut by rivers.
Step 3
Exam Tip
पश्चिमी घाट पूर्वी घाट की तुलना में अधिक निरंतर हैं। परीक्षा में पूर्वी घाट को नदियों द्वारा काटी गई श्रेणी मानें।
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थार और लद्दाख की तुलना भारत के किस प्रकार के मरुस्थलीय अंतर को दिखाती है?
Comparison of Thar and Ladakh shows which type of desert difference in India?
#thar
#ladakh
#desert-comparison
A गर्म शुष्क मरुस्थल और ऊंचा शीत मरुस्थल / Hot dry desert and high cold desert
B दो ज्वारीय मैंग्रोव / Two tidal mangroves
C दो प्रवाल द्वीप / Two coral islands
D दो खादर मैदान / Two Khadar plains
Explanation opens after your attempt
Correct Answer
A. गर्म शुष्क मरुस्थल और ऊंचा शीत मरुस्थल / Hot dry desert and high cold desert
Step 1
Concept
Thar is a hot dry desert while Ladakh is a cold desert due to altitude and rain shadow. For exams keep them separate.
Step 2
Why this answer is correct
The correct answer is A. गर्म शुष्क मरुस्थल और ऊंचा शीत मरुस्थल / Hot dry desert and high cold desert. Thar is a hot dry desert while Ladakh is a cold desert due to altitude and rain shadow. For exams keep them separate.
Step 3
Exam Tip
थार गर्म शुष्क मरुस्थल है जबकि लद्दाख ऊंचाई और वर्षाछाया से शीत मरुस्थल है। परीक्षा में दोनों को अलग रखें।
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पूर्वी और पश्चिमी तटों की विशेषज्ञ तुलना में कौन सा कथन सही है?
Which statement is correct in an expert comparison of eastern and western coasts?
#eastern-coast
#western-coast
#comparison
A पूर्वी तट चौड़ा और डेल्टा प्रधान है जबकि पश्चिमी तट संकीर्ण है / Eastern coast is broad and delta dominated while western coast is narrow
B पश्चिमी तट गंगा ब्रह्मपुत्र डेल्टा से बना है / Western coast is made by Ganga Brahmaputra Delta
C पूर्वी तट पर कोई नदी नहीं पहुंचती / No river reaches eastern coast
D दोनों तट हिमनदी मैदान हैं / Both coasts are glacial plains
Explanation opens after your attempt
Correct Answer
A. पूर्वी तट चौड़ा और डेल्टा प्रधान है जबकि पश्चिमी तट संकीर्ण है / Eastern coast is broad and delta dominated while western coast is narrow
Step 1
Concept
Eastern coast has deltas of large rivers and western coast is narrow due to nearby Ghats. For exams remember comparison.
Step 2
Why this answer is correct
The correct answer is A. पूर्वी तट चौड़ा और डेल्टा प्रधान है जबकि पश्चिमी तट संकीर्ण है / Eastern coast is broad and delta dominated while western coast is narrow. Eastern coast has deltas of large rivers and western coast is narrow due to nearby Ghats. For exams remember comparison.
Step 3
Exam Tip
पूर्वी तट पर बड़ी नदियों के डेल्टा हैं और पश्चिमी तट घाटों के निकट होने से संकीर्ण है। परीक्षा में तुलना याद रखें।
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पूर्वी और पश्चिमी तटों की कठिन तुलना में कौन सा कथन सही है?
Which statement is correct in a difficult comparison of eastern and western coasts?
#eastern-coast
#western-coast
#comparison
A पूर्वी तट डेल्टा प्रधान और चौड़ा है जबकि पश्चिमी तट संकीर्ण है / Eastern coast is delta dominated and broad while western coast is narrow
B पश्चिमी तट पर सुंदरवन है / Sundarbans is on western coast
C पूर्वी तट पर कोई नदी नहीं है / Eastern coast has no rivers
D दोनों तट हिमनदी मैदान हैं / Both coasts are glacial plains
Explanation opens after your attempt
Correct Answer
A. पूर्वी तट डेल्टा प्रधान और चौड़ा है जबकि पश्चिमी तट संकीर्ण है / Eastern coast is delta dominated and broad while western coast is narrow
Step 1
Concept
Eastern coast has deltas of large east flowing rivers and western coast is narrow due to nearby Ghats. For exams remember comparison.
Step 2
Why this answer is correct
The correct answer is A. पूर्वी तट डेल्टा प्रधान और चौड़ा है जबकि पश्चिमी तट संकीर्ण है / Eastern coast is delta dominated and broad while western coast is narrow. Eastern coast has deltas of large east flowing rivers and western coast is narrow due to nearby Ghats. For exams remember comparison.
Step 3
Exam Tip
पूर्वी तट पर बड़ी पूर्वमुखी नदियों के डेल्टा हैं और पश्चिमी तट घाटों के निकट होने से संकीर्ण है। परीक्षा में तुलना याद रखें।
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भारत के उत्तर और दक्षिण की भौतिक संरचना की मूल तुलना किस कथन से स्पष्ट होती है?
Which statement clarifies the basic comparison of northern and southern physical structure of India?
#himalaya
#peninsular-plateau
#comparison
A उत्तर में युवा हिमालय और दक्षिण में प्राचीन प्रायद्वीपीय पठार / Young Himalayas in north and ancient Peninsular Plateau in south
B उत्तर में प्रवाल और दक्षिण में हिमनद / Coral in north and glacier in south
C उत्तर में तट और दक्षिण में शिवालिक / Coast in north and Shiwalik in south
D उत्तर में द्वीप और दक्षिण में तराई / Islands in north and Terai in south
Explanation opens after your attempt
Correct Answer
A. उत्तर में युवा हिमालय और दक्षिण में प्राचीन प्रायद्वीपीय पठार / Young Himalayas in north and ancient Peninsular Plateau in south
Step 1
Concept
Himalayas are young fold mountains while the Peninsular Plateau is an ancient stable landmass. For exams this comparison is very important.
Step 2
Why this answer is correct
The correct answer is A. उत्तर में युवा हिमालय और दक्षिण में प्राचीन प्रायद्वीपीय पठार / Young Himalayas in north and ancient Peninsular Plateau in south. Himalayas are young fold mountains while the Peninsular Plateau is an ancient stable landmass. For exams this comparison is very important.
Step 3
Exam Tip
हिमालय नवीन वलित पर्वत हैं जबकि प्रायद्वीपीय पठार प्राचीन स्थिर भूभाग है। परीक्षा में यह तुलना बहुत महत्वपूर्ण है।
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भारतीय भौतिक भूगोल में बार बार आने वाले तुलनात्मक प्रश्नों के लिए सबसे उपयोगी जोड़ी कौन सी है?
Which pair is most useful for repeated comparison questions in Indian physical geography?
#himalaya
#peninsular-plateau
#comparison
A हिमालय और प्रायद्वीपीय पठार / Himalayas and Peninsular Plateau
B लक्षद्वीप और थार / Lakshadweep and Thar
C गंगा मैदान और लाल सागर / Ganga Plain and Red Sea
D नीलगिरि और सहारा / Nilgiri and Sahara
Explanation opens after your attempt
Correct Answer
A. हिमालय और प्रायद्वीपीय पठार / Himalayas and Peninsular Plateau
Step 1
Concept
The Himalayas are young fold mountains and the Peninsular Plateau is an ancient stable landmass. For exams focus on their differences.
Step 2
Why this answer is correct
The correct answer is A. हिमालय और प्रायद्वीपीय पठार / Himalayas and Peninsular Plateau. The Himalayas are young fold mountains and the Peninsular Plateau is an ancient stable landmass. For exams focus on their differences.
Step 3
Exam Tip
हिमालय युवा वलित पर्वत हैं और प्रायद्वीपीय पठार प्राचीन स्थिर भूभाग है। परीक्षा में इनके अंतर पर विशेष ध्यान दें।
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अहिंसक और सशस्त्र संघर्षों की तुलना उपनिवेश मुक्ति समझने में क्यों उपयोगी है?
Why is comparison of non violent and armed struggles useful in understanding decolonization?
#non-violence
#armed-struggle
#comparison
A यह दिखाती है कि अलग परिस्थितियों में संघर्ष के तरीके अलग हो सकते हैं / It shows that methods of struggle can differ in different conditions
B यह साबित करती है कि सभी संघर्ष समान थे / It proves all struggles were identical
C यह इतिहास से कारण हटा देती है / It removes causes from history
D यह उपनिवेशवाद को सही ठहराती है / It justifies colonialism
Explanation opens after your attempt
Correct Answer
A. यह दिखाती है कि अलग परिस्थितियों में संघर्ष के तरीके अलग हो सकते हैं / It shows that methods of struggle can differ in different conditions
Step 1
Concept
Examples like India Algeria and Vietnam show different methods. For exams comparative answers are stronger.
Step 2
Why this answer is correct
The correct answer is A. यह दिखाती है कि अलग परिस्थितियों में संघर्ष के तरीके अलग हो सकते हैं / It shows that methods of struggle can differ in different conditions. Examples like India Algeria and Vietnam show different methods. For exams comparative answers are stronger.
Step 3
Exam Tip
भारत अल्जीरिया और वियतनाम जैसे उदाहरण अलग तरीके दिखाते हैं। परीक्षा में तुलना आधारित उत्तर मजबूत होते हैं।
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उपनिवेशवाद और उपनिवेश मुक्ति पढ़ते समय तुलना क्यों उपयोगी है?
Why is comparison useful while studying colonization and decolonization?
#comparison
#decolonization
#study-tip
A क्योंकि अलग क्षेत्रों में शासन संघर्ष और स्वतंत्रता के तरीके अलग थे / Because rule struggles and methods of independence differed across regions
B क्योंकि सभी उपनिवेश एक जैसे थे / Because all colonies were identical
C क्योंकि तुलना से तथ्य हट जाते हैं / Because comparison removes facts
D क्योंकि इतिहास में संदर्भ जरूरी नहीं / Because context is not needed in history
Explanation opens after your attempt
Correct Answer
A. क्योंकि अलग क्षेत्रों में शासन संघर्ष और स्वतंत्रता के तरीके अलग थे / Because rule struggles and methods of independence differed across regions
Step 1
Concept
Comparison makes examples like India Algeria Ghana and Vietnam clear. For exams study through a table.
Step 2
Why this answer is correct
The correct answer is A. क्योंकि अलग क्षेत्रों में शासन संघर्ष और स्वतंत्रता के तरीके अलग थे / Because rule struggles and methods of independence differed across regions. Comparison makes examples like India Algeria Ghana and Vietnam clear. For exams study through a table.
Step 3
Exam Tip
तुलना से भारत अल्जीरिया घाना और वियतनाम जैसे उदाहरण साफ समझ आते हैं। परीक्षा में तालिका बनाकर पढ़ें।
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सुरक्षा परिषद की बाध्यकारी शक्ति और महासभा की प्रतिनिधिक शक्ति के बीच सही तुलना कौन सी है?
Which comparison between Security Council binding power and General Assembly representative power is correct?
#security council
#general assembly
#comparison
A सुरक्षा परिषद शांति सुरक्षा पर बाध्यकारी निर्णय ले सकती है जबकि महासभा व्यापक प्रतिनिधित्व देती है / The Security Council can take binding peace-security decisions while the General Assembly gives broad representation
B महासभा वीटो लगाती है और सुरक्षा परिषद चर्चा करती है / The General Assembly uses veto and the Security Council only debates
C दोनों केवल सांस्कृतिक संस्थाएं हैं / Both are only cultural bodies
D दोनों का कोई सदस्य नहीं है / Both have no members
Explanation opens after your attempt
Correct Answer
A. सुरक्षा परिषद शांति सुरक्षा पर बाध्यकारी निर्णय ले सकती है जबकि महासभा व्यापक प्रतिनिधित्व देती है / The Security Council can take binding peace-security decisions while the General Assembly gives broad representation
Step 1
Concept
The powers of the Security Council and General Assembly are different in nature. Exam tip: write the difference between power and representation.
Step 2
Why this answer is correct
The correct answer is A. सुरक्षा परिषद शांति सुरक्षा पर बाध्यकारी निर्णय ले सकती है जबकि महासभा व्यापक प्रतिनिधित्व देती है / The Security Council can take binding peace-security decisions while the General Assembly gives broad representation. The powers of the Security Council and General Assembly are different in nature. Exam tip: write the difference between power and representation.
Step 3
Exam Tip
सुरक्षा परिषद और महासभा की शक्तियां अलग प्रकृति की हैं। परीक्षा में शक्ति और प्रतिनिधित्व का अंतर लिखें।
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कौन सा कथन अमेरिकी और फ्रांसीसी क्रांतियों के बीच सही तुलना प्रस्तुत करता है?
Which statement gives a correct comparison between the American and French Revolutions?
#world history
#american revolution
#french revolution
#comparison
A दोनों केवल औद्योगिक मजदूरों की क्रांतियां थीं / Both were only industrial workers' revolutions
B दोनों ने कभी अधिकारों की भाषा का प्रयोग नहीं किया / Both never used the language of rights
C दोनों ने राजवंशी साम्राज्य स्थापित किए / Both established dynastic empires
D दोनों ने प्रतिनिधित्व और अधिकारों के विचार को मजबूत किया / Both strengthened ideas of representation and rights
Explanation opens after your attempt
Correct Answer
D. दोनों ने प्रतिनिधित्व और अधिकारों के विचार को मजबूत किया / Both strengthened ideas of representation and rights
Step 1
Concept
Both revolutions advanced debates on modern rights and representative rule. Exam tip: study both similarities and differences.
Step 2
Why this answer is correct
The correct answer is D. दोनों ने प्रतिनिधित्व और अधिकारों के विचार को मजबूत किया / Both strengthened ideas of representation and rights. Both revolutions advanced debates on modern rights and representative rule. Exam tip: study both similarities and differences.
Step 3
Exam Tip
दोनों क्रांतियों ने आधुनिक अधिकार और प्रतिनिधि शासन की बहस को आगे बढ़ाया। परीक्षा में समानता और अंतर दोनों पढ़ें।
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यदि (p(x)=x-2 +2x-8) और (q(x)=x-2 +2x-7) हैं, तो सही तुलना कौन सी है?
If (p(x)=x-2 +2x-8) and (q(x)=x-2 +2x-7), which comparison is correct?
#comparison
#discriminant
#pyq-style
A (p(x)) के शून्यक परिमेय हैं और (q(x)) के शून्यक अपरिमेय वास्तविक हैं / (p(x)) has rational zeroes and (q(x)) has irrational real zeroes
B दोनों के शून्यक परिमेय हैं / Both have rational zeroes
C दोनों के शून्यक अवास्तविक हैं / Both have non-real zeroes
D (p(x)) के शून्यक अपरिमेय और (q(x)) के परिमेय हैं / (p(x)) has irrational zeroes and (q(x)) has rational zeroes
Explanation opens after your attempt
Correct Answer
A. (p(x)) के शून्यक परिमेय हैं और (q(x)) के शून्यक अपरिमेय वास्तविक हैं / (p(x)) has rational zeroes and (q(x)) has irrational real zeroes
Step 1
Concept
For (p(x)), (D=4+32=36), a perfect square. For (q(x)), (D=4+28=32), positive and not a perfect square.
Step 2
Why this answer is correct
The correct answer is A. (p(x)) के शून्यक परिमेय हैं और (q(x)) के शून्यक अपरिमेय वास्तविक हैं / (p(x)) has rational zeroes and (q(x)) has irrational real zeroes. For (p(x)), (D=4+32=36), a perfect square. For (q(x)), (D=4+28=32), positive and not a perfect square.
Step 3
Exam Tip
(p(x)) के लिए (D=4+32=36) पूर्ण वर्ग है। (q(x)) के लिए (D=4+28=32) धनात्मक अपूर्ण वर्ग है।
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कौन-सा विकल्प \(\sqrt{3}+\sqrt{6}\) और \(\sqrt{12}\) के बीच सही तुलना देता है?
Which option gives the correct comparison between \(\sqrt{3}+\sqrt{6}\) and \(\sqrt{12}\)?
#comparison of irrationals
#surds
#class 10
A \(\sqrt{3}+\sqrt{6}>\sqrt{12}\)
B \(\sqrt{3}+\sqrt{6}<\sqrt{12}\)
C दोनों बराबर हैं / Both are equal
D दोनों परिमेय हैं / Both are rational
Explanation opens after your attempt
Correct Answer
A. \(\sqrt{3}+\sqrt{6}>\sqrt{12}\)
Step 1
Concept
All terms are positive and \(\sqrt{6}>0\).
Step 2
Why this answer is correct
Since \(\sqrt{12}=2\sqrt{3}\) and \(\sqrt{6}>\sqrt{3}\), the sum \(\sqrt{3}+\sqrt{6}\) is greater than \(2\sqrt{3}\).
Step 3
Exam Tip
For comparison, convert what you can and use positivity. चरण 1: सभी पद धनात्मक हैं और \(\sqrt{6}>0\)। चरण 2: \(\sqrt{3}+\sqrt{6}\), \(\sqrt{3}\) से बड़ा है और \(\sqrt{12}=2\sqrt{3}\) है; संख्यात्मक रूप से \(\sqrt{6}>\sqrt{3}\), इसलिए योग \(2\sqrt{3}\) से बड़ा है। चरण 3: तुलना में समान मूल में बदलना और धनात्मकता देखना मदद करता है।
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स्वराज की अवधारणा का जन रूप सबसे साफ किस तुलना से दिखता है?
Which comparison most clearly shows the popular form of the idea of swaraj?
#swaraj
#popular-meaning
#comparison
A किसानों के लिए लगान राहत आदिवासियों के लिए वन अधिकार मजदूरों के लिए घर वापसी / Relief from rent for peasants forest rights for tribals return home for workers
B किसानों आदिवासियों और मजदूरों के लिए केवल विदेशी व्यापार / Only foreign trade for peasants tribals and workers
C सभी समूहों के लिए तालुकेदारी अधिकार / Talukdari rights for all groups
D सभी समूहों के लिए वन बंदी / Forest closure for all groups
Explanation opens after your attempt
Correct Answer
A. किसानों के लिए लगान राहत आदिवासियों के लिए वन अधिकार मजदूरों के लिए घर वापसी / Relief from rent for peasants forest rights for tribals return home for workers
Step 1
Concept
The meaning of swaraj was linked with each group’s condition.
Step 2
Why this answer is correct
Different groups saw it as a solution to their suffering.
Step 3
Exam Tip
Explain the popular form of swaraj through comparison of examples. चरण 1: स्वराज का अर्थ हर समूह की स्थिति से जुड़ा था। चरण 2: अलग समूहों ने इसे अपनी पीड़ा के समाधान के रूप में समझा। चरण 3: स्वराज के जन रूप को उदाहरणों की तुलना से समझाएं।
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तंत्रिका नियंत्रण और हार्मोन नियंत्रण में किस तुलना को सबसे अधिक सही माना जाएगा?
Which comparison between nervous control and hormonal control is most correct?
#control_coordination
#nervous_hormonal
#comparison
A तंत्रिका नियंत्रण तेज और अल्पकालिक हो सकता है जबकि हार्मोन नियंत्रण धीमा और दीर्घकालिक हो सकता है / Nervous control can be fast and short-lived while hormonal control can be slow and long-lasting
B तंत्रिका नियंत्रण हमेशा रक्त से होता है और हार्मोन नियंत्रण तंत्रिकाओं से / Nervous control always occurs through blood and hormonal control through nerves
C दोनों केवल पौधों में पाए जाते हैं / Both are found only in plants
D हार्मोन नियंत्रण में कोई लक्ष्य अंग नहीं होता / Hormonal control has no target organ
Explanation opens after your attempt
Correct Answer
A. तंत्रिका नियंत्रण तेज और अल्पकालिक हो सकता है जबकि हार्मोन नियंत्रण धीमा और दीर्घकालिक हो सकता है / Nervous control can be fast and short-lived while hormonal control can be slow and long-lasting
Step 1
Concept
Nerve messages travel very fast through nerve cells.
Step 2
Why this answer is correct
Hormones reach target organs through blood.
Step 3
Exam Tip
Therefore hormonal effects are often slower but may last longer. चरण 1: तंत्रिका संदेश तंत्रिका कोशिकाओं से बहुत तेजी से चलते हैं। चरण 2: हार्मोन रक्त द्वारा लक्ष्य अंगों तक पहुंचते हैं। चरण 3: इसलिए हार्मोन का प्रभाव अक्सर धीमा पर लंबे समय तक हो सकता है।
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मैरिआन और जर्मानिया में सही तुलना कौन सी है?
Which comparison between Marianne and Germania is correct?
#marianne
#germania
#comparison
#france
#germany
A मैरिआन फ्रांस की और जर्मानिया जर्मनी की प्रतीक थी / Marianne symbolised France and Germania symbolised Germany
B मैरिआन जर्मनी की और जर्मानिया फ्रांस की प्रतीक थी / Marianne symbolised Germany and Germania symbolised France
C दोनों रूस की वास्तविक रानियाँ थीं / Both were real queens of Russia
D दोनों ब्रिटिश व्यापार की अधिकारी थीं / Both were officers of British trade
Explanation opens after your attempt
Correct Answer
A. मैरिआन फ्रांस की और जर्मानिया जर्मनी की प्रतीक थी / Marianne symbolised France and Germania symbolised Germany
Step 1
Concept
Both were female allegories.
Step 2
Why this answer is correct
They were connected with different nations.
Step 3
Exam Tip
In exams connect Marianne with France and Germania with Germany. चरण 1: दोनों महिला रूपक थीं। चरण 2: उनका संबंध अलग अलग राष्ट्रों से था। चरण 3: परीक्षा में मैरिआन को फ्रांस और जर्मानिया को जर्मनी से जोड़ें।
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मेरीआन और जर्मानिया की तुलना में सबसे सही कथन कौन सा है?
Which statement is the most correct comparison of Marianne and Germania?
#marianne
#germania
#comparison
#matching
A मेरीआन फ्रांस से और जर्मानिया जर्मनी से जुड़ी थी / Marianne was linked with France and Germania with Germany
B मेरीआन जर्मनी से और जर्मानिया फ्रांस से जुड़ी थी / Marianne was linked with Germany and Germania with France
C दोनों रूस की वास्तविक रानियां थीं / Both were real queens of Russia
D दोनों केवल व्यापार की देवी थीं / Both were only goddesses of trade
Explanation opens after your attempt
Correct Answer
A. मेरीआन फ्रांस से और जर्मानिया जर्मनी से जुड़ी थी / Marianne was linked with France and Germania with Germany
Step 1
Concept
Both were female allegorical images of the nation.
Step 2
Why this answer is correct
Marianne was linked with the French republic and Germania with the German nation.
Step 3
Exam Tip
In comparison questions remember the country and symbol together. चरण 1: दोनों राष्ट्र की महिला रूपक छवियां थीं। चरण 2: मेरीआन फ्रांसीसी गणतंत्र और जर्मानिया जर्मन राष्ट्र से जुड़ी थी। चरण 3: तुलना वाले प्रश्नों में देश और प्रतीक को साथ याद करें।
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मेरीआन और जर्मानिया को पढ़ते समय सबसे महत्वपूर्ण तुलना क्या है?
What is the most important comparison while studying Marianne and Germania?
#marianne
#germania
#comparison
A मेरीआन फ्रांस से और जर्मानिया जर्मनी से जुड़ी है / Marianne is linked with France and Germania with Germany
B मेरीआन जर्मनी से और जर्मानिया फ्रांस से जुड़ी है / Marianne is linked with Germany and Germania with France
C दोनों रूस से जुड़ी हैं / Both are linked with Russia
D दोनों किसी राष्ट्र से नहीं जुड़ी हैं / Both are not linked with any nation
Explanation opens after your attempt
Correct Answer
A. मेरीआन फ्रांस से और जर्मानिया जर्मनी से जुड़ी है / Marianne is linked with France and Germania with Germany
Step 1
Concept
Both are female national symbols.
Step 2
Why this answer is correct
Marianne represents France and Germania represents Germany.
Step 3
Exam Tip
This comparison is very useful in matching questions. चरण 1: दोनों महिला राष्ट्रीय प्रतीक हैं। चरण 2: मेरीआन फ्रांस और जर्मानिया जर्मनी का प्रतीक है। चरण 3: मिलान आधारित प्रश्नों में यह तुलना बहुत उपयोगी है।
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जर्मनी और इटली के एकीकरण में कौन सा तुलना कथन सबसे सटीक है?
Which comparison statement about German and Italian unification is most accurate?
#comparison
#germany
#italy
#nationalism
A दोनों में राष्ट्रवाद था पर नेतृत्व अलग राज्यों और नेताओं ने दिया / Both had nationalism but leadership came from different states and leaders
B दोनों का नेतृत्व केवल मेत्सिनी ने किया / Both were led only by Mazzini
C दोनों में फ्रांस ने अंतिम सम्राट चुना / In both France chose the final emperor
D दोनों बिना किसी युद्ध या संघर्ष के पूरे हुए / Both were completed without any war or conflict
Explanation opens after your attempt
Correct Answer
A. दोनों में राष्ट्रवाद था पर नेतृत्व अलग राज्यों और नेताओं ने दिया / Both had nationalism but leadership came from different states and leaders
Step 1
Concept
Both regions had a demand for national unity.
Step 2
Why this answer is correct
In Germany Prussia and Bismarck were central while in Italy Sardinia Piedmont Cavour and Garibaldi were central.
Step 3
Exam Tip
Thus the same idea worked through different leadership. चरण 1: दोनों क्षेत्रों में राष्ट्रीय एकता की मांग थी। चरण 2: जर्मनी में प्रशा और बिस्मार्क प्रमुख थे जबकि इटली में सार्डिनिया पीडमॉंट कावूर और गैरीबाल्डी प्रमुख थे। चरण 3: इसलिए समान विचार के साथ अलग नेतृत्व दिखता है।
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यदि ((x+a)2 =x-2 +28x+196) है, तो (a) का मान क्या होगा?
If ((x+a)2 =x-2 +28x+196), what is the value of (a)?
#quadratic-equations
#identity
#coefficient-comparison
#expert
A (14)
B (-14)
C (28)
D (196)
Explanation opens after your attempt
Step 1
Concept
((x+a)2 =x-2 +2ax+a-2 ). From (2a=28), we get (a=14).
Step 2
Why this answer is correct
The correct answer is A. (14). ((x+a)2 =x-2 +2ax+a-2 ). From (2a=28), we get (a=14).
Step 3
Exam Tip
((x+a)2 =x-2 +2ax+a-2 ) होता है। (2a=28) से (a=14) मिलता है।
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यदि ((x+a)2 =x-2 -20x+100) है, तो (a) का मान क्या होगा?
If ((x+a)2 =x-2 -20x+100), what is the value of (a)?
#quadratic-equations
#identity
#coefficient-comparison
#expert
A (-10)
B (10)
C (-20)
D (100)
Explanation opens after your attempt
Step 1
Concept
((x+a)2 =x-2 +2ax+a-2 ). From (2a=-20), we get (a=-10).
Step 2
Why this answer is correct
The correct answer is A. (-10). ((x+a)2 =x-2 +2ax+a-2 ). From (2a=-20), we get (a=-10).
Step 3
Exam Tip
((x+a)2 =x-2 +2ax+a-2 ) होता है। (2a=-20) से (a=-10) मिलता है।
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यदि ((x+a)2 =x-2 +18x+81) है, तो (a) का मान क्या होगा?
If ((x+a)2 =x-2 +18x+81), what is the value of (a)?
#quadratic-equations
#identity
#coefficient-comparison
#expert
A (9)
B (-9)
C (18)
D (81)
Explanation opens after your attempt
Step 1
Concept
((x+a)2 =x-2 +2ax+a-2 ). From (2a=18), we get (a=9).
Step 2
Why this answer is correct
The correct answer is A. (9). ((x+a)2 =x-2 +2ax+a-2 ). From (2a=18), we get (a=9).
Step 3
Exam Tip
((x+a)2 =x-2 +2ax+a-2 ) होता है। (2a=18) से (a=9) मिलता है।
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यदि ((x+a)2 =x-2 -12x+36) है, तो (a) का मान क्या होगा?
If ((x+a)2 =x-2 -12x+36), what is the value of (a)?
#quadratic-equations
#identity
#coefficient-comparison
#hard
A (-6)
B (6)
C (-12)
D (36)
Explanation opens after your attempt
Step 1
Concept
((x+a)2 =x-2 +2ax+a-2 ). From (2a=-12), we get (a=-6).
Step 2
Why this answer is correct
The correct answer is A. (-6). ((x+a)2 =x-2 +2ax+a-2 ). From (2a=-12), we get (a=-6).
Step 3
Exam Tip
((x+a)2 =x-2 +2ax+a-2 ) होता है। (2a=-12) से (a=-6) मिलता है।
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यदि ((x+a)2 =x-2 +10x+25) है, तो (a) का मान क्या होगा?
If ((x+a)2 =x-2 +10x+25), what is the value of (a)?
#quadratic-equations
#identity
#coefficient-comparison
#hard
A (5)
B (-5)
C (10)
D (25)
Explanation opens after your attempt
Step 1
Concept
((x+a)2 =x-2 +2ax+a-2 ). From (2a=10), we get (a=5).
Step 2
Why this answer is correct
The correct answer is A. (5). ((x+a)2 =x-2 +2ax+a-2 ). From (2a=10), we get (a=5).
Step 3
Exam Tip
((x+a)2 =x-2 +2ax+a-2 ) होता है। (2a=10) से (a=5) मिलता है।
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नंदा देवी और कंचनजंगा के बीच सही तुलना कौन-सी है?
Which comparison between Nanda Devi and Kanchenjunga is correct?
#indian geography
#nanda devi
#kanchenjunga
#himalayan peaks
A दोनों दक्कन पठार की चोटियां हैं / Both are peaks of the Deccan Plateau
B नंदा देवी उत्तराखंड से और कंचनजंगा सिक्किम से जुड़ी है / Nanda Devi is associated with Uttarakhand and Kanchenjunga with Sikkim
C नंदा देवी अरावली में और कंचनजंगा पश्चिमी घाट में है / Nanda Devi is in Aravalli and Kanchenjunga in Western Ghats
D दोनों खासी पहाड़ियों में हैं / Both are in Khasi Hills
Explanation opens after your attempt
Correct Answer
B. नंदा देवी उत्तराखंड से और कंचनजंगा सिक्किम से जुड़ी है / Nanda Devi is associated with Uttarakhand and Kanchenjunga with Sikkim
Step 1
Concept
Nanda Devi is a Himalayan peak of Uttarakhand and Kanchenjunga is linked with Sikkim. For exams, remember peak-state relations.
Step 2
Why this answer is correct
The correct answer is B. नंदा देवी उत्तराखंड से और कंचनजंगा सिक्किम से जुड़ी है / Nanda Devi is associated with Uttarakhand and Kanchenjunga with Sikkim. Nanda Devi is a Himalayan peak of Uttarakhand and Kanchenjunga is linked with Sikkim. For exams, remember peak-state relations.
Step 3
Exam Tip
नंदा देवी उत्तराखंड की और कंचनजंगा सिक्किम क्षेत्र की हिमालयी चोटी है। परीक्षा में चोटी-राज्य संबंध याद रखें।
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कला तत्वों की तुलना में केवल अंतर बताना क्यों पर्याप्त नहीं है?
Why is only stating difference not enough in comparison of art elements?
#compare elements
#role
#effect
A क्योंकि भूमिका उदाहरण और प्रभाव भी जरूरी हैं / Because role example and effect are also needed
B क्योंकि अंतर कभी नहीं होते / Because differences never exist
C क्योंकि तुलना में उदाहरण नहीं चाहिए / Because examples are not needed in comparison
D क्योंकि प्रभाव का कला से संबंध नहीं / Because effect has no relation to art
Explanation opens after your attempt
Correct Answer
A. क्योंकि भूमिका उदाहरण और प्रभाव भी जरूरी हैं / Because role example and effect are also needed
Step 1
Concept
Comparison should tell both use and result. Exam tip: add effect in compare answer.
Step 2
Why this answer is correct
The correct answer is A. क्योंकि भूमिका उदाहरण और प्रभाव भी जरूरी हैं / Because role example and effect are also needed. Comparison should tell both use and result. Exam tip: add effect in compare answer.
Step 3
Exam Tip
तुलना में उपयोग और परिणाम दोनों बताने चाहिए। परीक्षा में compare answer में effect जोड़ें।
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कला तत्वों की तुलना में सबसे जरूरी बात क्या है?
What is most necessary in comparison of art elements?
#compare elements
#role
#effect
A भूमिका अंतर उदाहरण और प्रभाव बताना / Explain role difference example and effect
B केवल दोनों नाम लिखना / Write only both names
C एक को सुंदर कहना / Call one beautiful
D दूसरे को गलत कहना / Call the other wrong
Explanation opens after your attempt
Correct Answer
A. भूमिका अंतर उदाहरण और प्रभाव बताना / Explain role difference example and effect
Step 1
Concept
Use and effect should be clear in comparison. Exam tip: give examples in compare answer.
Step 2
Why this answer is correct
The correct answer is A. भूमिका अंतर उदाहरण और प्रभाव बताना / Explain role difference example and effect. Use and effect should be clear in comparison. Exam tip: give examples in compare answer.
Step 3
Exam Tip
तुलना में उपयोग और प्रभाव स्पष्ट होने चाहिए। परीक्षा में compare answer में examples दें।
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कला तत्वों पर आधारित तुलना में क्या अनिवार्य है?
What is essential in comparison based on art elements?
#compare elements
#roles
#effects
A दो तत्वों की भूमिका प्रभाव और उदाहरण अलग अलग बताना / Explain roles effects and examples of two elements separately
B केवल दोनों के नाम लिखना / Write only their names
C एक को अच्छा और दूसरे को खराब कहना / Say one good and one bad
D कागज की कीमत जोड़ना / Add paper price
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Correct Answer
A. दो तत्वों की भूमिका प्रभाव और उदाहरण अलग अलग बताना / Explain roles effects and examples of two elements separately
Step 1
Concept
Comparison needs both difference and use. Exam tip: give examples in compare answer.
Step 2
Why this answer is correct
The correct answer is A. दो तत्वों की भूमिका प्रभाव और उदाहरण अलग अलग बताना / Explain roles effects and examples of two elements separately. Comparison needs both difference and use. Exam tip: give examples in compare answer.
Step 3
Exam Tip
तुलना में अंतर और उपयोग दोनों चाहिए। परीक्षा में compare answer में examples दें।
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