Permutation-Combination

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A mixed doubles tennis game is to be played between two teams (each team consists of one male and one female). There are 4 married couples. No team is to consist of a husband and his wife. What is the maximum number of games that can be played?
12
yes
21
no
36
no
42
no
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Rohit has five friends: 3 girls and 2 boys. Rohit's wife also has 5 friends: 3 boys and 2 girls. In how many maximum number of different ways can they invite 2 boys and 2 girls such that two of them are Rohit's friends and two are his wife's?
24
no
38
no
46
yes
58
no
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