In how many ways can seven friends be seated in a row having 35 seats, such that no two friends occupy adjacent seats??

In how many ways can seven friends be seated in a row having 35 seats,

1.	In how many ways can seven friends be seated in a row having 35 seats, such that no two friends occupy adjacent seats??
A.	29P7
B.	29C7
C.	28P7
D.	28C7
Answer» B. 29C7

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In how many ways can seven friends be seated in a row having 35 seats, such that no two friends occupy adjacent seats??

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