A bag contains four balls. 3 white balls and 1 black ball.2 balls are drawn random. The probability that 2 balls are white is

A bag contains five balls. Three white balls and 2 black balls,2 balls are drawn at random . The probability that all 2 balls are white is

A bag contains 4 red, 6 white and 5 black balls. 2 balls are drawn at random. The probability of getting one red and one white ball is

A bag contains 5 white, 4 black and 6 red balls. A ball is drawn at random. The probability that the balls drawn is not white is:

A bag contains 4 white balls and 2 black balls. Another bag contains 3 white balls and 5 black balls. If one ball is drawn from each bag, find the probability that both are white.

There are 3 bags,each containing 5 white balls and 3 black balls.Also there are 2 bags, each containing 2 white balls and 4 black balls.A white ball is drawn at random.Find the probability that this white ball is from a bag of the first group.

A bag contains 3 white , 4 black , 2 red balls . If 2 balls are drawn at random , then the probability that both the balls are white is :

A bag contains 4 white and 5 black balls. A ball is drawn at random from the bag. Find the probability that the ball drawn is white.

A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?