A box contains 10 balls of which 4 are black and 6 are red. Four balls are drawn at random. Find the probability of having exactly two red balls.

There are 5 black and 4 red balls ina bag. Two balls are drawn at random. Find the probability that both balls are red.

There are 5 black and 4 red balls ina bag. Two balls are drawn at random. Find the probability that both balls are red.

A box contains 3 red, 4 black and 5 white balls. Three balls are drawn at random. Then the probability of 2 white balls and 1 red ball is

A bag contains 4 red and 6 black balls. Three balls are drawn at random. Find the probability distribution o the number of red balls.

A bag contains 4 red and 6 black balls. Three balls are drawn at random. Find the probability distribution o the number of red balls.

A bag contains 4 red and 6 black balls.Three balls are drawn at random.Find the probability distribution o the number of red balls.

An urn contains 7 white, 5 black and 3 red balls. Two balls are drawn at random, Find the probability that : both the balls are red.

A box contains 5 red 4 green & 6 black balls .If 3 balls are drawn at random. Find the probability that all balls are red colour .

An urn contains 6 balls of which two are red and four are black. Two balls are drawn at random. Probability that they are of the different colours is