It is required to seat 5 men and 4 women in a row so that the women occupy the even places. How many such arrangements are possible?

Explanation

Given,

total number of people= 9.

and women occupy only even places

so,women can occupy only four even places as
MW​MW​MW​MW​M

4 women can sit in 4 positions

total no. of ways `=4_(​P_4)​
(4!)/((4−4)!)`

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