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2n boys are randomly divided into two su...

`2n` boys are randomly divided into two subgroups containint `n` boys each. The probability that eh two tallest boys are in different groups is `n//(2n-1)` b. `(n-1)//(2n-1)` c. `(n-1)//4n^2` d. none of these

A

`(n)/(2n-1)`

B

`(n-1)/(2n-1)`

C

`(2n-1)/(4n^(2))`

D

none of these

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