चीन ने Two Child Policy कब लागू की । two children policy in China । gs । gk । narayan । #shorts

10 years ago,the average age of a family of 4 members was 24 years.Since then,two children having been born,still the average age of the family is the same today.If the two children differ in age by 2 years,find the present age of the younger child.

A couple has two children. Find the probability that Both the children are boys, if it is known that the older child is a boy. Both the children are girls, if it is known that he older child is a girl. Both the children are boys, if it is known that at least one of the children is a boy.

A couple has two children.Find the probability that both the children are (i) males,if it si known that at least one of the children is male. (ii) females,if it is known that the elder child is a female.

The number of ways in which 6 different toys can be distributed in two children if each child gets none one or more number of toys is also equal to

Write any two objectives of foreign policy of Mughal.

A couple has two children,(i) Find the probability that both children are males,if it is known that at least one of the children is male. (ii) Find the probability that both children are females,if it is known that the elder child is a female.

A couple has two children. Find the probability that both the children are (i) males, if it is known that at least one of the children is male. (ii) females, if it is known that the elder child is a female.

A woman goes to visit the house of some friend whom she has not seen for many years. She knew that besides the two married adults in the household, there are two children of different ages. But she does not knew their genders. When she knocks on the door of the house, a boy answers. What is the probability that the younger child is a boy?