Three couples decide to form a comittee of three members the no of different committee that can be formed in which no couple finds a place is
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Answer:
Four couples are as follows:
H
1
W
1
,H
2
W
2
,H
3
W
3
,H
4
W
4
No couple can find a place when only one member of each group is selected.
Hence no. of ways of doing this =(
4
4
)×(
2
1
)×(
2
1
)×(
2
1
)×(
2
1
)=16
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