7 pairs of husband wives mixed double tennis team is selected. How many ways team can be selected such that husband and wives do not play together ?
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In how many ways can a lawn tennis mixed double be made up from seven married couples if no husband and wife play in the same set? Answer: Heya SELECT 2 PERSONS FROM 14. NO. IN THIS THERE ARE 7 WAYS IN WHICH HUSBAND WIFE COME TOGETHER. TOTAL WAYS= 91 - 7 = 84. OUT OF THESE 84 TEAMS WE HAVE TO SELECT 2 TEAMS. NO.
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