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There are 6 married couples and a mixed ...

There are 6 married couples and a mixed double table-tennis game is to be arranged so that a husband and wife do not play in the same game. How many games are possible?

A

1) `"^4C_2`x`"^6C_2`x2

B

2) `"^4C_2`x`"^6C_2`x4

C

3) `"^4C_2`x2

D

4) none of these

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