JEE MATHEMATICS MCQ: PERMUTATIONS

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If a man and his wife enter in a bus, in which five seats are vacant, then the number of different ways in which they can be seated, is

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Correct option: C

Option C (20) is correct because the man can choose from 5 seats, and then the wife can choose from the remaining 4 seats, giving 5*4 = 20 possibilities.

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