Sequences and Series

JEE Advanced · Mathematics · 25 past questions

2 of 25 · show all

1. Q11 2013 Paper 1

   Let $S_n=\sum_{k=1}^{4n}(-1)^{\frac{k(k+1)}{2}}k^2$. Then $S_n$ can take value(s)

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2. Q12 2013 Paper 1

   A pack contains $n$ cards numbered from 1 to $n$. Two consecutive numbered cards are removed from the pack…

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