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Permutation & Combination Quiz : Question 1 of 3
In how many ways can 3 men and their wives be made stand in a line such that none of the 3 men stand in a position that is ahead of his wife?

A.   3!*3!

B.   6!

C.   2*3!*3!

D.   3!

E.   6!/(2!*2!*2!)


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