Practice focused topic-wise MCQs with answers and explanations for quick revision and exam preparation.
Difficulty select karke sirf is topic ke focused MCQs practice karein. Score, timer aur explanations student-friendly flow me milenge.
Showing 201-210 of 604 questions.
What is the coefficient of \(x^2\) in the expression \(4x^2-3x+7\)?
A. (4)
\(x^2\) के साथ गुणा हुई संख्या (4) है। गुणांक में चिह्न और संख्या दोनों देखें। / The number multiplied with \(x^2\) is (4). Check both sign and number in a coefficient.
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Which term is constant in the expression (6a-5b+9)?
C. (9)
नियतांक पद में कोई चर नहीं होता। यहां (9) बिना चर वाला पद है। / A constant term has no variable. Here (9) is the term without a variable.
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How many terms are there in \(3p^2+2p-8\)?
B. (3)
पद \(3p^2\), (2p), और (-8) हैं। इसलिए कुल (3) पद हैं। / The terms are \(3p^2\), (2p), and (-8). So there are (3) terms.
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Which pair is a pair of like terms?
C. (-4ab) और (9ab)(-4ab) and (9ab)
समान पदों में चर वाला भाग समान होता है। (-4ab) और (9ab) में चर वाला भाग (ab) समान है। / Like terms have the same variable part. In (-4ab) and (9ab), the variable part (ab) is the same.
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What is the simplified form of (7x+4-2x+9)?
A. (5x+13)
समान पद जोड़ने पर (7x-2x=5x) और (4+9=13)। इसलिए सरल रूप (5x+13) है। / Combining like terms gives (7x-2x=5x) and (4+9=13). So the simplified form is (5x+13).
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What is obtained by expanding (2(3y-5))?
B. (6y-10)
(2) को (3y) और (-5) दोनों से गुणा करें। इसलिए (2(3y-5)=6y-10)। / Multiply (2) by both (3y) and (-5). Therefore (2(3y-5)=6y-10).
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If (a=3), what is the value of \(2a^2-a+1\)?
C. (16)
मान रखने पर (2a-2-a+1=2\(3^2\)-3+1=16)। पहले घात फिर गुणा करें। / Substituting gives (2a-2-a+1=2\(3^2\)-3+1=16). Evaluate powers before multiplication.
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If (x=2) and (y=5), what is the value of (3x+y)?
D. (11)
(3x+y=3(2)+5=11)। दो चर वाले प्रश्न में दोनों मान सही जगह रखें। / (3x+y=3(2)+5=11). In two-variable questions, substitute both values in the correct places.
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Which expression represents adding (4) to three times the square of (n)?
A. \(3n^2+4\)
(n) का वर्ग \(n^2\) है और उसका तीन गुना \(3n^2\) है। उसमें (4) जोड़ने पर \(3n^2+4\) मिलता है। / The square of (n) is \(n^2\), and three times it is \(3n^2\). Adding (4) gives \(3n^2+4\).
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What is the simplified form of \(5r^2-2r^2+6r\)?
B. \(3r^2+6r\)
\(5r^2\) और \(-2r^2\) समान पद हैं। उनका योग \(3r^2\) है और (6r) अलग रहता है। / \(5r^2\) and \(-2r^2\) are like terms. Their sum is \(3r^2\), and (6r) remains separate.
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