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In how many ways can a group of 5 boy and 2 girl be made out of a total of 7 boy and 3 girl ?

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In how many ways can a group of 5 boy and 2 girl be made out of a total of 7 boy and 3 girl ?
posted Dec 18, 2015 by Samardeep Acharya

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1 Answer

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We need to select
5 boys from 7 boys
And
2 girls from 3 girls
Number of ways
=7C5x3C2
=[(7*6)/(2*1)*3]
=21*3=63
Ans is 63

answer Dec 18, 2015 by Jaikumar Bhatia



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