A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that ex…

If x is chosen at random from the set {1, 2, 3, 4} and y is to be chosen at random from the set {5, 6, 7}, what is the p…

A box contains 6 bottles of variety 1 drink, 3 bottles of variety 2 drink and 4 bottles of variety 3 drink. Three bottle…

A basket contains 6 blue, 2 red,4 green and 3 yellow balls. If four balls are picked up at random, what is the probabili…

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

What is probability of drawing two clubs from a well shuffled pack of 52 cards?

In a single throw of die, what is the probability of getting a number greater than 4 ?

A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If three marbles are drawn what is the proba…