Question

In a small village, there are S7 families, of which 52 families have at most 2 children. In a rual devalopment programme 20 families are to be chosen for assistance, of which at least 18 familias must have at most 2 children In how many ways can the choice be made?

Answer 1

Answer:

there will be together S7 is equals to 57 families together live in children in one house there will be for 100 children in one house there will be 25 families in one village village