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In how many ways can a committee of 3 persons be formed from 5 persons?
AFive ways
BEight ways
CTen ways
DNine ways
Answer & Solution
Correct answer: C. Ten ways
1. Order does not matter in a committee, so combinations are counted.
2. The count is 5 factorial divided by 3 factorial times 2 factorial.
3. That is 120 divided by 12, which gives 10.
_Source: NCERT Class 11 Mathematics, Ch 6 'Permutations and Combinations'_
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