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Q.

The number of ways in which 5 male and 2 female members of committee can be seated around a table, so that two female members are not seated together is


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a

480

b

600

c

720

d

840 

answer is B.

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Detailed Solution

Total no of ways when there is no restriction =(7−1)!=6!=720.
When two females are seated together,
Then, No of ways =(6−1)! =5! =120.
 So total no. of ways =720−120 =600.
hence, the answer is 600.
 
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