Box 1 contains 15 balls out of which 3 are red. Box contains 12 balls out of which 4 are red. If one ball is drawn at random from each box simultaneously, the probability of getting at least one red ball is

A box contains 12 balls out of which x are black. If one ball is drawn at random from the box, what is the probability that it will be a black ball ?

A box contains 12 balls, out of which x are black. If one ball is drawn at random, what is the probability that it will be a black ball?

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 12red, 18 blue and 6 white balls in a box, when balls is drawn at random from the box, what is the probability of not getting a red ball?

A box contains 7 red balls, 8 green balls and 5 white balls. A ball is drawn at random from the box. Find the probability that the ball is white.

A box contains 7 red balls, 8 green balls and 5 white balls. A ball is drawn at random from the box. Find the probability that the ball is white.

A box contains 7 red balls, 8 green balls and 5 white balls. A ball is drawn at random from the box. Find the probability that the ball is neither red nor white.

A box contains 3 red and 7 white balls. One ball is drawn at random and in it placed a ball of the other colour is placed in the box. Now if one ball is drawn at random from the box then the probability that it is a red ball is

A box contains 7 red balls and 6 blue ball. A ball is drawn at random from the box .The probability that this drawn is a blue ball.