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permutation

Punch

New member
Jan 29, 2012
23
Find the number of ways of selecting 3 men and 3 women from 5 married couples such that there are exactly 2 married couples.

I need the reasoning
 

Evgeny.Makarov

Well-known member
MHB Math Scholar
Jan 30, 2012
2,492
First you select two couples out of five. Then you select one man out of the remaining three and one of the two women who are not his spouse.
 

Plato

Well-known member
MHB Math Helper
Jan 27, 2012
196
Find the number of ways of selecting 3 men and 3 women from 5 married couples such that there are exactly 2 married couples.
I need the reasoning
Choose three wives. From their husbands choose two. Then choose one of the other men not married to any of the three chosen wives.