A man has 3 pairs of black socks and 2 pair of brown socks kept together in a box. If he dressed hurriedly in the dark, the probability that after he has put on a black sock, he will then put on another black sock is `1//3` b. `2//3` c. `3//5` d. `2//15`

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?

There are n socks in a drawer, of which 3 socks are red. If 2 of the socks are chosen randomly and the probability tha both selected socks are red is (1)/(2) , then what is the value of n?

A father has 3 children with at least one boy. The probability that he has 2 boys and 1 girl is 1/4 b.1/3 c.2/3 d.none of these

A bag contains 4 white, 2 black balls another contains 3 white balls and 5 black balls. If one ball is drawn from each bag, find the probability that 1.Both are the white 2.Both are black 3.One is white and one is black.

A bag contians 4 white and 2 black balls and another bag contain 3 white and 5 black balls. If one ball is drawn from each bag, then the probability that one ball is white and one ball is black is

A bag contains 2 white,3 black and 4 green balls.Two balls are drawn one after another with replacement.The probability that 1 st one is white and second one is black is

A man ordered 4 pairs of black socks and some pairs of brown socks. The price of a black pair is double that of a brown pair. While preparing the bill, the clerk interchanged the number of black and brown pairs by mistake which increased the bill by 50%. The ratio of the number of black and brown pairs of socks in the original order was 1:2 b. 2:1 c. 1:4 d. 4:1

If you have a collection of 6 pairs of white socks and 3 pairs of black socks. What is the probability that a pair you pick without looking is (i) white? (ii) black?