In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is …

A basket contains 4 red, 5 blue and 3 green marbles. If 2 marbles are drawn at random from the basket, What is the proba…

Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even ?

A bag contains 7 green and 8 white balls. If two balls are drawn simultaneously, the probability that both are of the sa…

If four coins are tossed, the probability of getting two heads and two tails is -

Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?

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

Out of first 20 natural numbers, one number is selected at random. The probability that it is either an even number or a…