There are four hotels in a town. If 3 men check into the hotels in a day then what is the probability that each checks into a different hotel?

If two letters are taken at random from the word HOME, what is the probability that none of the letters would be vowels?

From a pack of cards two cards are drawn one after the other, with replacement. The probability that the first is a red card and the second is a king is -.

10 books are placed at random in a shelf. The probability that a pair of books will always be together is -.

A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that atleast one bulb is good.

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

A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?

In a race where 12 cars are running, the chance that car X will win is 1/6, that  will win is 1/10 and that Z will win is 1/8. Assuming that a dead heat is impossible. Find the chance that one of them will win.

A bag contains 7 green and 5 black balls. Three balls are drawn one after the other. The probability of all three balls being green, if the balls drawn are not replaced will be:

Four cards are drawn at random from a pack of 52 plating cards. Find the probability of getting all the four cards of the same suit.

AA speaks truth in 75% of cases and BB in 80% of cases. In what percent of cases are they likely to contradict each other in narrating the same event?

Four persons are to be choosen from a group of 3 men, 2 women and 4 children. Find the probability of selecting 1 man,1 woman and 2 children.

A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?

In a party there are 5 couples. Out of them 5 people are chosen at random. Find the probability that there are at the least two couples ?

There are 10 Letters and 10 correspondingly 10 different Address. If the letter are put into envelope randomly, then find the Probability that Exactly 9 letters will at the Correct Address ?