Permutations and Combinations

JEE Advanced · Mathematics · 28 past questions

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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…
Q21 2013 Paper 1

Consider the set of eight vectors $V=\{a\hat i+b\hat j+c\hat k : a,b,c\in\{-1,1\}\}$. Three non-coplanar…