dahiya Posted June 15, 2005 Share Posted June 15, 2005 If a committee of 3 people is to be selected from among 5 married couples so that the committee does not include 2 people who are married to each other, how many such committees are possible 20 40 50 80 120 Quote Link to comment Share on other sites More sharing options...
arjmen Posted June 15, 2005 Share Posted June 15, 2005 Previously discussed here http://www.www.urch.com/forums/showthread.php?t=27502&highlight=married+couples Quote Link to comment Share on other sites More sharing options...
sumon.sahagmail.com Posted June 15, 2005 Share Posted June 15, 2005 I think it should be D (80). = 10C3 - 5C1*8C1 =80 Quote Link to comment Share on other sites More sharing options...
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