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Circular Permutation

The number of...

Question

The number of ways in which 8 boys be seated at a round table so that two particular boys are next to each other is

A

8!2!

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B

7!2!

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C

6!2!

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D

6!

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Solution

The correct option is C 6!2!
The number of ways in which this can be done = 6! 2!

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