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 211-220 of 604 questions.
Which of the following expressions is a binomial?
A. \(4x^2-7\)
द्विपदी में दो पद होते हैं। \(4x^2-7\) में \(4x^2\) और (-7) दो पद हैं। / A binomial has two terms. \(4x^2-7\) has the two terms \(4x^2\) and (-7).
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What is the simplified form of (-3xy+8xy-2)?
B. (5xy-2)
(-3xy+8xy=5xy) और (-2) अलग रहता है। इसलिए सही रूप (5xy-2) है। / (-3xy+8xy=5xy), and (-2) remains separate. So the correct form is (5xy-2).
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If (p=-2), what is the value of \(p^2+3p\)?
A. (-2)
(p=-2) रखने पर \(p^2+3p=4-6=-2\)। ऋणात्मक मान का वर्ग धनात्मक होता है। / Putting (p=-2), \(p^2+3p=4-6=-2\). The square of a negative value is positive.
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What is the simplified form of (9m-4n+2m-6n)?
C. (11m-10n)
(9m+2m=11m) और (-4n-6n=-10n)। इसलिए सरल रूप (11m-10n) है। / (9m+2m=11m) and (-4n-6n=-10n). So the simplified form is (11m-10n).
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(5) less than the sum of (2x) and (3). Which is the correct expression?
D. (2x+3-5)
पहले योग (2x+3) है और फिर उसमें से (5) घटता है। इसलिए व्यंजक (2x+3-5) है। / First the sum is (2x+3), and then (5) is subtracted from it. So the expression is (2x+3-5).
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What is the simplified form of (3(x+2)+4x)?
A. (7x+6)
पहले (3(x+2)=3x+6) करें। फिर (3x+4x=7x) जोड़कर (7x+6) मिलेगा। / First expand (3(x+2)=3x+6). Then combine (3x+4x=7x) to get (7x+6).
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Which expression represents (4) times the difference of (a) and (b)?
C. (4(a-b))
(a) और (b) का अंतर (a-b) है। उसके (4) गुने के लिए पूरा अंतर कोष्ठक में रखें। / The difference of (a) and (b) is (a-b). For (4) times it, keep the whole difference in brackets.
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If (u=1) and (v=-3), what is the value of (u-2v)?
D. (7)
(u-2v=1-2(-3)=1+6=7)। ऋणात्मक संख्या से गुणा करते समय चिह्न पर ध्यान दें। / (u-2v=1-2(-3)=1+6=7). Pay attention to signs while multiplying a negative number.
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What is the simplified form of \(12c^2-5c+3c^2-2c\)?
A. \(15c^2-7c\)
\(12c^2+3c^2=15c^2\) और (-5c-2c=-7c)। समान पद अलग-अलग जोड़ें। / \(12c^2+3c^2=15c^2\) and (-5c-2c=-7c). Combine like terms separately.
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What is the variable part in \(4x^2y\)?
B. \(x^2y\)
संख्यात्मक गुणांक (4) को हटाने पर चर वाला भाग \(x^2y\) बचता है। पद को गुणांक और चर भाग में बांटकर देखें। / After removing the numerical coefficient (4), the variable part \(x^2y\) remains. View a term as coefficient and variable part.
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