If two balls are drawn from a bag containing 3 white, 4 black and 5 red balls, then the probability that the drawn balls are of different colours is

If three balls drawn from a bag contains are 4 red,3 black and 5 white balls.The probability of drawing 2 balls of the same colour and one is of different colour is

From a bag containing 5 white, 3 black and 2 red balls, two balls are drawn at random. Find the probability that both are white.

A bag contains 5 white,7 black and 4 red balls.Then the chance that three balls drawn at random are all white is

If a ball is drawn from 6 red, 5 blue, 3 white and 4 black balls, then probability that it is red or black is

A bag contains 5 red and 4 green balls and another bag contains 3 red and 7 black balls. If a ball is drawn from each bag. Find the probability that both are of different colours.

A box X contains 1 white ball, 3 red balls and 2 black balls. Another box Y contains 2 white balls, 3 red balls and 4 black balls. If one ball is drawn from each of the two boxes, then the probability the balls are of different colours is

One bag contains 5 white and 3 black ball and an other contains 4 white,5 red balls.Two balls are drawn from one of them choosing at random.The probability that they are of different colours is

Two balls are drawn at random from a bag containing 2 white,3 red,5 green and 4 black balls,one by one without,replacement.Find the probability that both the balls are of different colours.