Permutations and Combinations

JEE Advanced · Mathematics · 28 past questions

4 of 28 · show all

1. Q9 2020 Paper 2

   An engineer is required to visit a factory for exactly four days during the first 15 days of every month and…

   Try it →
2. 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…

   Try it →
3. 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…

   Try it →
4. 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…

   Try it →