A speaks the truth 3 out of 4 times and B 7 times out of 10. They agree in their statement that from a bag contaning 6 balls of different colours a white ball has been drawn. Find the probability that the statement is true.

A bag contains 4 white and 3 black balls. Two balls are drawn at random. Find the probability that they are of the same colour.

A bag contains 2 red, 3 black , 4 white balls. 2 balls are drawn at random . The probability that they are different colours is

A speaks truth 3 times out of 4 while B speaks truth 7 times out of 10. A ball is drawn at random from a bag containing one black ball and five other balls of different colors. Both A and B report that a black ball has been drawn from the bag. Find the probability of their assertion being true?

A bag contains 3 red, 4 white and 6 blue balls. 3 balls are drawn at random. The probability that they are of different colours is

A bag contains 6 white and 4 black balls. Two ball are drawn at random. The probability that they are of the different colour is

A bag contain 4 red balls 5 black balls and 6 white balls. if one ball is drawn at random find the probability that the ball drawn is white

A bag contains 7 balls of different colours. If five balls are drawn successively with replacement then what is the probability that none of the balls drawn is white ?

A bag contains 3 red,4 white and 5 blue balls. If two balls are drawn at random. The probability that they are of different colours is……….