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 71-80 of 604 questions.
What is the coefficient of \(x^2\) in \(x^2+2x+1\)?
C. (1)
\(x^2\) के आगे कोई संख्या नहीं लिखी है इसलिए गुणांक (1) होता है। अदृश्य गुणांक को (1) मानें। / No number is written before \(x^2\), so its coefficient is (1). Treat the invisible coefficient as (1).
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What is the coefficient of (y) in (-y)?
D. - (1)
(-y) का अर्थ \(-1\times y\) है। इसलिए (y) का गुणांक (-1) है। / (-y) means \(-1\times y\). Therefore, the coefficient of (y) is (-1).
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If (p=4), what is the value of (p-1)?
A. (3)
(p=4) रखने पर (p-1=4-1=3)। घटाव में क्रम का ध्यान रखें। / Putting (p=4), (p-1=4-1=3). Be careful with the order in subtraction.
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If (n=5), what is the value of (3n+2)?
B. (17)
\(3n+2=3\times 5+2=17\)। पहले गुणा करें फिर जोड़ें। / \(3n+2=3\times 5+2=17\). Multiply first and then add.
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What is the simplified form of (a+a+a)?
C. (3a)
(a) को (3) बार जोड़ने पर (3a) मिलता है। बार-बार जोड़ को गुणा के रूप में लिखें। / Adding (a) three times gives (3a). Write repeated addition as multiplication.
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What is obtained after simplifying (4x+2+3x)?
A. (7x+2)
(4x) और (3x) समान पद हैं इसलिए उनका योग (7x) है। स्थिर पद (2) अलग रहता है। / (4x) and (3x) are like terms, so their sum is (7x). The constant term (2) remains separate.
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What is (2x) called in (2x+5)?
C. पदTerm
(2x+5) में (2x) एक अलग भाग है जिसे पद कहते हैं। पद जोड़ या घटाव से अलग होते हैं। / In (2x+5), (2x) is a separate part called a term. Terms are separated by addition or subtraction.
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Which expression has only (1) variable?
A. (2x+3)
(2x+3) में केवल चर (x) है। चर की संख्या गिनते समय अलग-अलग अक्षरों को देखें। / (2x+3) has only the variable (x). To count variables, look at distinct letters.
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How many variables are there in (3u+4v)?
B. (2)
इस व्यंजक में चर (u) और (v) हैं। इसलिए कुल (2) चर हैं। / The variables in this expression are (u) and (v). So there are (2) variables.
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What is the power of (x) in \(x^2\)?
C. (2)
\(x^2\) में (x) के ऊपर लिखी संख्या (2) है। वही घात कहलाती है। / In \(x^2\), the number written above (x) is (2). That is called the power.
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