A box contains pairs of socks of two colours (black and white). I have picked out a white sock. I pick out one more with my eyes closed. What is the probability that it will make a pair?

A box has five pairs of socks. Two pairs are white and the other three are black. One black sock is taken out. Later , another sock is drawn from the bag. What is the probability that it will be a black sock?

A box has three paris of socks. One pair is white and the other two are of blue colour. One white sock is taken out. Later another sock is drawn from the bag without looking at the colour. What is the probability that it will be blue in colour?

Murari has 9 pairs of dark blue socks and 9 pairs of black socks. He keeps them all in the same bag. If he picks out three socks at random, what is the probability that he will get a matching pair?

A bag contains 2 red,3 green & 1 white ball,what is the probability that the ball picked up is black.

A bag contains 12 pairs of socks. Four socks are picked up at random. Find the probability that there is at least one pair.

A bag contains 12 pairs of socks. Four socks are picked up at random. Find the probability that there is at least one pair.

A bag contains 3 black marbles, 5 red marbles and 6 white marbles. If a marble is picked at random, then what is the probability that it is not a white marble?

A bag A contains 3 white and 2 black balls and another bag B contains 2 white and 4 black balls. A bag and a ball out of it are picked at random. What is the probability that the ball is white?

A bag A contains 3 white and 2 black balls and another bag B contains 2 white and 4 black balls. A bag and a ball out of it are picked at random. What is the probability that the ball is white?