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CBSE Class 11 Sequences and Series — practice questions

4 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.

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The 10th term of the AP $3, 7, 11, 15, \ldots$ is:The sum to $n$ terms of a GP with first term $a = 2$ and ratio $r = 3$ is:The sum of the infinite GP $1 + 1/3 + 1/9 + 1/27 + \cdots$ is:The sum $1^2 + 2^2 + 3^2 + \cdots + 10^2$ equals: