There are 7 seats in a row. Three person...

There are 7 seats in a row. Three persons take seats at random the probability that the middle seat is always occupied and no two persons are consecutive is

A

`8/35`

B

`4/35`

C

`4/(.^(7)C_(3))`

D

`(.^(4)C_(1))/(.^(7)C_(3))`

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The correct Answer is:

B, C, D

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