What is the probability of getting a sum 9 from two throws of a dice ?

An urn contains 6 red, 4 blue, 2 green and 3 yellow marbles. If two marbles are picked up at random, what is the probabi…

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket draw…

A box contains 20 electric bulbs, out of which 4 are defective. Two balls are chosen at random from this box. The probab…

In a throw of dice what is the probability of getting number greater than 5

A basket contains 4 red, 5 blue and 3 green marbles. If three marbles are picked up at random what is the probability th…

Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is:

In a single throw of die, what is the probability of getting a number greater than 4 ?