Question #146446
In how many ways can 4 married couples attending a concert be seated in a row of eight seats if members of same gender must be seated together?
a.756
b.1152
c.576
d.24
1
Expert's answer
2020-11-26T13:46:23-0500

There are two groups with 4 members in each. Then


2!×4!×4!=2×24×24=11522!\times4!\times4!=2\times24\times24=1152

b. 1152



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