A bag contains 2 red, 3 green and 4 black balls. 3 balls are drawn randomly and exactly 2 of them are found to be red. If p denotes the chance that one of the three balls drawn is green, find the value of 7p.

. A bag contains 3 red,2 green and 2 white balls.Two balls are drawn at random and none of them is found to be a green ball,then the chance that both are red is equal to

A bag contains 2 Red, 3 Green and 2 Blue balls. Two balls are drawn randomly from the bag What is the probability that none of then is red ?

A bag contains 8 red and 4 green balls . Find the probabilty that three balls are drawn and none of them is red .

A bag contains 4 red and 4 black balls, another bag contains 2 red and 6 black balls. One ball of the two bag is drawn at random and the ball is drawn the bag is found to be red. Find the probability that the ball is drawn from first bag

A bag contains 3 red, 7 white, and 4 black balls. If three balls are drawn from the bag, then find the probability that all of them are of the same color.

A bag contains 3 red, 7 white, and 4 black balls. If three balls are drawn from the bag, then find the probability that all of them are of the same color.

A bag contains 3 red, 7 white, and 4 black balls. If three balls are drawn from the bag, then find the probability that all of them are of the same color.