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

A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are picked at random, what is…

Four cards are drawn at random from a pack of 52 playing cards. Find the probability of getting all the four cards of th…

In a class, there are 12 boys and 16 girls. One of them is called out by an enroll number, what is the probability that …

A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are drawn at random, what is …

An urn contains 6 red, 4 blue, 2 green and 3 yellow marbles. If two marbles are picked up at random, what is the probabi…

If the occurrence of one event means that another cannot happen, then the events are

Two brother X and Y appeared for an exam. Let A be the event that X is selected and B is the event that Y is selected.&l…