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 600 questions.
What will be the (8)th term in \(4,9,16,25,36,\ldots\)?
B. (81)
यह \(2^2,3^2,4^2,\ldots\) का क्रम है। (8)वाँ पद \(9^2=81\) होगा। / This is the sequence \(2^2,3^2,4^2,\ldots\). The (8)th term will be \(9^2=81\).
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What is the (5)th term of \(8,27,64,125,\ldots\)?
A. (216)
यह \(2^3,3^3,4^3,5^3,\ldots\) का क्रम है। (5)वाँ पद \(6^3=216\) है। / This is the sequence \(2^3,3^3,4^3,5^3,\ldots\). The (5)th term is \(6^3=216\).
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What is the (7)th term of \(2,5,9,14,20,\ldots\)?
C. (35)
अंतर (3,4,5,6) हैं, फिर (7) और (8) जुड़ेंगे। (7)वाँ पद (35) है। / The differences are (3,4,5,6), then (7) and (8) are added. The (7)th term is (35).
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What is the next term of \(3,4,7,11,18,\ldots\)?
C. (29)
हर पद पिछले दो पदों का योग है। (11+18=29) अगला पद है। / Each term is the sum of the previous two terms. (11+18=29) is the next term.
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What will be the next term of \(7,12,19,31,50,\ldots\)?
B. (81)
यहाँ (19=7+12), (31=12+19), (50=19+31) है। अगला पद (31+50=81) होगा। / Here (19=7+12), (31=12+19), and (50=19+31). The next term will be (31+50=81).
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In \(4,12,36,108,\ldots\), which term is (324)?
B. (5)वाँ(5)th
क्रम (4,12,36,108,324) है। इसलिए (324) (5)वाँ पद है। / The sequence is (4,12,36,108,324). So (324) is the (5)th term.
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In \(8,15,22,29,\ldots\), which term will (57) be?
B. (8)वाँ(8)th
पहला पद (8) और अंतर (7) है। (8+(n-1)7=57) से (n=8) मिलता है। / The first term is (8) and the difference is (7). From (8+(n-1)7=57), (n=8).
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In \(88,82,76,70,\ldots\), which term is (52)?
B. (7)वाँ(7)th
हर बार (6) घट रहा है। (88-(n-1)6=52) से (n=7) है। / Each term decreases by (6). From (88-(n-1)6=52), (n=7).
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If the first four terms of a sequence are (3,9,15,21), what can be a simple rule for \(a_n\)?
A. \(a_n=6n-3\)
पहला पद (3) और अंतर (6) है। \(a_n=6n-3\) से वही क्रम मिलता है। / The first term is (3) and the difference is (6). \(a_n=6n-3\) gives the same sequence.
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Which \(a_n\) rule is correct for \(6,15,24,33,\ldots\)?
A. \(a_n=9n-3\)
पहला पद (6) और अंतर (9) है। \(a_n=9n-3\) से \(6,15,24,\ldots\) मिलते हैं। / The first term is (6) and the difference is (9). \(a_n=9n-3\) gives \(6,15,24,\ldots\).
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