Permutations and Combinations

JEE Advanced · Mathematics · 28 past questions

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1. Q19 2014 Paper 1

   Let $n \ge 2$ be an integer. Take $n$ distinct points on a circle and join each pair of points by a line…

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2. Q20 2014 Paper 1

   Let $n_1 < n_2 < n_3 < n_4 < n_5$ be positive integers such that $n_1+n_2+n_3+n_4+n_5=20$. Then the number of…

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