In a simultaneous throw of two dice, what is the probability of getting a doublet ?

The probability that A speaks truth is $$\frac{{3}}{{5}}$$ and that of B speaking truth is $$\frac{{4}}{{7}}$$. What is …

Binomial distribution has parameters

From a pack of 52 cards, one card is drawn at random. What is the probability that the card drawn is a ten or a spade?

Two cards are drawn from a pack of well shuffled cards. Find the probability that one is a club and other in King.

A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the …

A basket contains 4 red, 5 blue and 3 green marbles. If three marbles are picked up at random what is the probability th…

In a school, 45% of the students play football, 30% play volleyball and 15% both. If a student is selected at random, th…