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8 years, 12 months ago
find the number of ways in which 3 couples can sit in such a way that no husbands sits next to his wife?1)64 2)48 3)32 4)24
8 years, 11 months ago
The three wives can be seated in 3! ways. From this, you can rule out two option choices as the final answer has to be a multiple of 3! i.e. 6.
There will be 4 places which will be created by seating the 3 women.
__ a__b__c__d
Now four people can occupy the given seats in 8 ways(when mentioned restrictions are followed).
So required number of ways are 6*4 = 24
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