A committee of 5 is to be chosen from a group of 9 people. Number of ways in which it can…
Mathematics · JEE Advanced · NTA Exams — Permutations and Combinations
A committee of 5 is to be chosen from a group of 9 people. Number of ways in which it can be formed if two particular persons either serve together or not at all and two other particular persons refuse to serve with each other, is
- 41
- 36
- 47
- 76
Answer
(A) 41
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