top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

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 ?

0 votes
635 views
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

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer

0 votes

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



Similar Puzzles
+1 vote

There are 5 mangoes and 6 bananas. In how many different ways can a selection of fruits be made if all fruits of same kind are numbered with different tags.

+2 votes

There are 3 boys and 4 girls. We have to arrange any 1 boy at the center and any 2 girls at corners. In how many methods these persons can be arranged.

...