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In a row 10 person are arranged at rando...

In a row 10 person are arranged at random. The probability of arranging them in such a way that two specified persons of those ten are exactly separated by 3 persons is

A

`(1)/(15)`

B

`(2)/(15)`

C

`(1)/(5)`

D

`(4)/(15)`

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The correct Answer is:
B
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