Threre are 9 red,7 white and 4 black balls in an urn.
Two balls are drawn at random from the urn. What will be the probability that both the balls are red ?

Threre are 9 red,7 white and 4 black balls in an urn. If two balls are selected at random what is the probability that one ball is white and the other ball is red ?

A bag contains 5 red, 6 white and 7 black balls. Two balls are drawn at random. what is the probability that both balls are red or both are black?

An urn contains 4 black and 6 red balls. If two balls are drawn at random from the urn without replacement ,then the probability that both are black is

An urn contains 9 red, 7 white and 4 black balls. If two balls are drawn at random, find the probability that: (i) both the balls are red,(ii) one ball is white (iii) the balls are of the same colour (iv) one is white and other red.

An urn contains 9 red, 7 white and 4 black balls. If two balls are drawn at random, find the probability. that, (i) both the balls are red (ii) one ball is white, (iii) the balls are of the saime colour (iv) one is white and other red.

An urn contains 9 red, 7 white, and 4 black balls if two balls are drawn at random the probability that both the balls are red is

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.

An urn contains 9 red,7 white and 4 black balls.If two balls are drawn at random,find the probability that: (i) both the balls are red, (ii) one ball is white (iii) the balls are of the same colour (iv) one is white and other red.

A urn contains 9 red, 7 white and 4 black balls. A ball is drawn at random. What is the probability that the ball drawn will be: not red.