In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a priz…

There are 12 boys and 8 girls in a tuition centre. If three of them scored first mark, then what is the probability that…

Two cards are drawn from a pack of 52 cards. The probability that either both are red or both are king, is-

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…

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

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

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