Permutations and Combinations

JEE Advanced · Mathematics · 28 past questions

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1. Q17 2015 Paper 1

   Let $n$ be the number of ways in which 5 boys and 5 girls can stand in a queue in such a way that all the…

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2. Q18 2015 Paper 2

   The coefficient of $x^9$ in the expansion of $(1+x)(1+x^2)(1+x^3)\ldots(1+x^{100})$ is

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