Permutations and Combinations

JEE Advanced · Mathematics · 28 past questions

6 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…

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2. Q12 2018 Paper 1

   The number of 5 digit numbers which are divisible by 4, with digits from the set $\{1,2,3,4,5\}$ and the…

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3. Q15 2017 Paper 2

   Let $S=\{1,2,3,\ldots,9\}$. For $k=1,2,\ldots,5$, let $N_k$ be the number of subsets of $S$, each containing…

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4. Q16 2016 Paper 1

   A debate club consists of 6 girls and 4 boys. A team of 4 members is to be selected from this club including…

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5. 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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6. Q22 2012 Paper 1

   The total number of ways in which 5 balls of different colours can be distributed among 3 persons so that…

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