Out of 5 women and four men a committee of three members is to be formed in such a way that at least one member is a woman , In how many different ways this can be done ?
Ans : 80
explain me the answer in detail :
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Answered by
10
5c1*4c2+5c2*4c1+5c3*4c0.
Answered by
15
If there are no restrictions, 3 members are to be selected from 9 people.
so 9C3 => 84
The number of ways of selecting all 3 members being men only from 4 men = 4 C 3 = 4
=> answer = 84 - 4 = 80
so 9C3 => 84
The number of ways of selecting all 3 members being men only from 4 men = 4 C 3 = 4
=> answer = 84 - 4 = 80
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