JEE MATHEMATICS MCQ: PERMUTATIONS

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4 buses runs between Bhopal and Gwalior. If a man goes from Gwalior to Bhopal by a bus and comes back to Gwalior by another bus, then the total possible ways are

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Correct option: A

Option A (12) is correct because the man has 4 choices for going and then 3 choices for returning on a different bus.

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