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A fair six faced die is rolled 12 times....

A fair six faced die is rolled 12 times. The probability that each face turns up twice is equal to-

A

`(12!)/(6! 6! 6^(12))`

B

`(2^(12))/(2^(6)6^(12))`

C

`(12!)/(2^(6)6^(12))`

D

`(12!)/(6^(2)6^(12))`

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