number of children

Each child of the Robertson family has at least three sisters and at
least one brother.what is the minimum number of children in Robertson family?

-- James.

The minimum number of children in Robertson family is 5. Anyone who has got the same answer as mine!!!!!!

nehalshah, your answer is incorrect.

pals, i also request you to provide number of boys and girls in the family.

-- James

4 Females and 2 males - totally 6 in family is it correct !!!!!!!

Exactly correct Vinod.

-- James.

Now I could get the approach and the answer as specified by Vinod. Will try to solve the problems in my first attempt from next.