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 51-60 of 604 questions.
Which option is an algebraic expression?
A. (x+7)
(x+7) में चर और संख्या दोनों हैं। बीजीय व्यंजक में बराबर का चिन्ह जरूरी नहीं होता। / (x+7) has a variable and a number. An algebraic expression does not need an equal sign.
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What is the coefficient of (xy) in the expression (-8xy)?
C. (-8)
(xy) के साथ (-8) गुणा हो रहा है इसलिए गुणांक (-8) है। गुणांक हमेशा चिन्ह सहित लें। / (xy) is multiplied by (-8), so the coefficient is (-8). Always take the coefficient with its sign.
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What is the coefficient of (x) in the expression (5x)?
B. (5)
(5x) में (x) के साथ गुणा होने वाली संख्या (5) है। गुणांक पहचानते समय चर के साथ लगी संख्या देखें। / In (5x), the number multiplying (x) is (5). To identify a coefficient, look at the number attached to the variable.
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If (x=3), what is the value of (4x-1)?
A. (11)
\(4x-1=4\times3-1=11\)। पहले गुणा करें फिर घटाव करें। / \(4x-1=4\times3-1=11\). Multiply first and then subtract.
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Which is the constant term in the expression (3a+4)?
C. (4)
स्थिर पद में कोई चर नहीं होता। (3a+4) में (4) स्थिर पद है। / A constant term has no variable. In (3a+4), (4) is the constant term.
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Which expression represents subtracting (2) from three times a number (r)?
D. (3r-2)
तीन गुना (3r) होता है और उसमें से (2) घटाते हैं। इसलिए सही व्यंजक (3r-2) है। / Three times is (3r), and (2) is subtracted from it. So the correct expression is (3r-2).
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How many terms are there in (2m+6)?
D. (2)
(2m+6) में पद (2m) और (6) हैं। जोड़ या घटाव से अलग हुए भागों को पद मानें। / The terms in (2m+6) are (2m) and (6). Parts separated by plus or minus signs are terms.
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How many terms are there in \(2a^2+3a-5+7b\)?
B. (4)
इस व्यंजक में \(2a^2\), (3a), (-5) और (7b) चार पद हैं। पदों को चिन्ह सहित गिनें। / The terms are \(2a^2\), (3a), (-5), and (7b), so there are four terms. Count terms with their signs.
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Which expression is equivalent to (5x+2x-4)?
D. (7x-4)
(5x) और (2x) समान पद हैं इसलिए उनका योग (7x) है। स्थिर पद (-4) अलग रहता है। / (5x) and (2x) are like terms, so their sum is (7x). The constant term (-4) remains separate.
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Which is the constant term in \(6m^2-9\)?
C. (-9)
स्थिर पद में कोई चर नहीं होता और उसे चिन्ह सहित लिखा जाता है। यहाँ स्थिर पद (-9) है। / A constant term has no variable and is written with its sign. Here the constant term is (-9).
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