A bag contains 12 balls out of which `x` are white. : If 6 more white balls are put in the bag, the probability of drawing a white ball will be double than that in : find `x`.

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

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 ? If 6 more balls are put in the box, the probability of drawing a black ball is now double of what it was before. Find x .

A bag contains 5 black and 3 white balls. Two balls are drawn at random. Find the probability of drawing two white balls.

A bag contains 10 white, 6 black and 4 red balls. Find the probability of getting : a white ball

A bag contain 5 Black and 3 white balls .Two balls are drawn at random .Find the probability of drawing (i) 2 Black balls (ii) 2 white balls .

A bag contains 5 black and 3 white balls. Two balls are drawn at random. Find the probability of drawing two black balls.

A bag contains 4 balls. Two balls are drawn at random and are found to be white. What is the probability that all balls are white?

A bag contains 225 balck balls, 75 red balls and 25 white balls. A ball is drawn at random from the bag. Find the probability of getting a black ball.