A fair die is thrown two times. Find the probability that : Sum of the numbers on them is 5.

A fair die is thrown two times. Find the probability that : Sum of the numbers on them is at least 8.

A fair die is thrown two times. Find the probability that : Product of numbers on them is 12.

A fair die is thrown two times. Find the probability that : First throw gives a multiple of 2 and second throw gives a multiple of 3.

Two fair dice are thrown. Find the probability that number on the upper face of the first die is 3 or sum of the numbers on their upper faces is 6.

Two dice are thrown . Find the probability of the following events The sum of the numbers on their upper faces is 15.