JEE MATHEMATICS MCQ: PERMUTATIONS

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A delegation of five students is to be formed from a group of 10 students. If three particular students want to remain together whereas two particular students do not want to remain together, then the number of selection is

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Correct option: B

Option B (20) is correct because by considering the cases where the three particular students are always together and the two particular students are never together, the total number of selections is 20.

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