How is physical exercise good for young boys and girls ?

In how many ways can a team of 3 boys and 3 girls be selected from 5 boys and 4 girls?

In how many different ways 24 apples (identical) be given to 3 boys and 3 girls if the total number of apples received by boys is double of that received by girls.

Let x denote the number of ways of arranging m boys and m girls in a row so that no two boys sit together. If y and z give the number of ways of arranging m boys and m girls in a row and around a circular table respectively so that boys and girls sit alternately, then x : y : z=

Find the number of ways of arranging 6 boys and 6 girls in row. In how many of these arrangements. boys and girls come alternately ?

In a class of 40 students number of girls are 28 then the ratio of boys and girls is_______

A party of 6 is to the formed from 10 boys and 7 girls so as to include 3 boys and 3 girls . The number of ways that the party can be formed if 2 particular girls refuse to join the same party is