An urn contains 6 red, 4 blue, 2 green and 3 yellow marbles. If two marbles are picked up at random, what is the probability that either both are green or both are yellow?

A box contains 10 black and 10 white balls. What is the probability of drawing 2 balls of the same colour?

A basket contains 4 red, 5 blue and 3 green marbles. If 2 marbles are drawn at random from the basket, what is the probability that both are red?

Three unbiased coins are tossed. What is the probability of getting at least 2 heads?

Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?

In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?

An urn contains 3 red, 3 green and 2 blue balls. If 2 balls are drawn at random, find the probability that no ball is blue.

Two dice are tossed. The probability that the total score is a prime number is

How many Fundamental Duties are in the Indian Constitution?

The concept of ‘Welfare State’ is included in which part of the Indian Constitution?

The purpose of the inclusion of Directive Principle of State policy in the Indian constitution is to establish