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There are (n+1) white similar balls and ...

There are (n+1) white similar balls and (n+1) black balls of different size. No. of ways the balls can be arranged in a row so that adjacent balls are of different colours is

A

`[(n+1)!]^(2)`

B

`2[(2n)!]`

C

`2[(n+1)!]`

D

`2[(n+1)!]^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-EXERCISE-II
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