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There are 20 persons among whom are two ...

There are 20 persons among whom are two brothers. The number of ways in which we can arrange them around a circle so that there is exactly one person between the two brothers, is

A

2.18!

B

2!17!

C

19!

D

none of these

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The correct Answer is:
A
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ML KHANNA-PERMUTATIONS AND COMBINATIONS -SET-4 MCQ
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