One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card (Jack, Q…

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

Two unbiased coin are tossed .What is the probability of getting at most one head?

Dev can hit a target 3 times in 6 shots pawan can hit the target 2 times in 6 shots and Lakhan can hit the target 4 tim…

A speaks truth in 75% cases and B in 80% of cases. In what percentage of cases they contradict each other in narrating t…

A dice is rolled twice. What is the probability of getting sum 9?

Find the probability that in a random arrangement of the letters of the word 'UNIVERSITY' the two I's come together.

One card is drawn from a pack of 52 cards. What is the probability that the card drawn is either a red card or a king ?