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Twelve balls are placed in three boxes. ...

Twelve balls are placed in three boxes. The probability that the first box contains three balls is

A

`2^(9)/3^(12)`

B

`(""^(12)C_(3).2^(9))/3^(12)`

C

`(""^(12)C_(3).2^(12))/3^(12)`

D

None of these

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The correct Answer is:
B
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