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There are 12 boys to be seated on ...

There are 12 boys to be seated on 2 benches , 6 on each lench . Two of them desire to sit on the bench and two others on the other . The number of ways in which the boys can be seated on the benches is

A

`300xx8!`

B

`900xx8!`

C

`600xx8!`

D

`90xx8!`

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The correct Answer is:
B
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