The boy comes of an AFFLUENT family .

The boy comes from a family of two children, What is the probability that the other child is his sister ? :

The boy comes from a family of two children, What is the probability that the other child is his sister ? :

There are two childrens in a family. The probability that both of them are boys is

The average age of 7 members of a family is 40 years. In the family, there are three men, three women and one boy. If the average age of three men is 48 years and average age of three women is 44 years, then the age of boy is:

Organisms which can interbreed with each other comes under the same family.

There are two children in a family. Find the probability that at most one boy is there in the family.

There are two children in a family. Find the probability that at most one boy is there in the family.

There are two children in a family. Find the probability that both boys if it is known that: (i) one of the children is a boy (ii) Older child is a boy