In a group of boys, two boys are brother...

In a group of boys, two boys are brothers and six more boys are present in the group. In how many ways can they sit if the brothers are not to sit along with each other? a.`2xx6!` b.`^7P_2xx6!` c. `^7C_2xx6!` d. none of these

A

4820

B

1410

C

2830

D

none of these

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D

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