Level 25 • 4/50 questions • 40 seconds per question.
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In the expression (3x+7), which is the variable?
B. (x)
A variable is a quantity whose value can change. Here (x) can change.
The correct answer is B. (x). A variable is a quantity whose value can change. Here (x) can change.
चर वह राशि है जिसका मान बदल सकता है। यहां (x) बदल सकता है।
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In the expression (5y-9), which is the constant term?
D. (-9)
A constant term has no variable. Therefore (-9) is the constant term.
The correct answer is D. (-9). A constant term has no variable. Therefore (-9) is the constant term.
नियतांक पद में कोई चर नहीं होता। इसलिए (-9) नियतांक पद है।
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How many terms are there in the expression (p+q+4)?
C. (3)
The terms are (p), (q), and (4). So there are (3) terms.
The correct answer is C. (3). The terms are (p), (q), and (4). So there are (3) terms.
पद (p), (q), और (4) हैं। इसलिए कुल (3) पद हैं।
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What is the value of (3m+2) when (m=4)?
B. (14)
Putting (m=4), (3m+2=3(4)+2=14). Using brackets reduces mistakes.
The correct answer is B. (14). Putting (m=4), (3m+2=3(4)+2=14). Using brackets reduces mistakes.
(m=4) रखने पर (3m+2=3(4)+2=14)। कोष्ठक का प्रयोग गलती कम करता है।
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