JEE MATHEMATICS MCQ: PERMUTATIONS

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A basket ball team consists of 12 pairs of twin brothers. On the first day of training, all 24 players stand in a circle in such a way that all pairs of twin brothers are neighbours. Number of ways this can be done is :

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Correct option: B

2^{12}(11 !)

Option B (

2^{12}(11 !)

) is correct because there are 11! ways to arrange the 12 pairs in a circle, and each pair can be arranged in 2 ways.

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