Probability

The probability that a card is drawn from a pack of 52 cards will form a pack of 52 cards will be diamond or king is ?

Answer : B. 4/13

View Answer

Four whole number taken at random are multiplied together. The chance that the last digit of the product is 1, 3, 7, or 9 is ?

Answer : A. 16/625

View Answer

A brother and sister appear for an interview against two vacant posts in an office. The probability of the brother’s selection is 1/5th and that of the sister’s selections is 1/3rd. What is the probability that one of them is selected ?

Answer : B. 2/5

View Answer

A bag contains 8 red and 5 white balls. 2 balls are drawn at random. What is the probability that both are white ?

Answer : D. 5/39

View Answer

When two dice are rolled, what is the probability that the sum of the numbers appeared on them is 11 ?

Answer : B. 1/18

View Answer

The probability of drawing a red card from a deck of playing cards is ?

Answer : D. 1/2

View Answer

If the probability that A will live 15 year is 7/8 and that B will live 15 year is 9/10, then what is the probability that both will live after 15 year ?

Answer : B. 63/80

View Answer

A card is drawn from a well-shuffled pack of cards. The probability of getting a queen of club or king of the heart is ?

Answer : B. 1/26

View Answer

The probability of getting heads in both trials when a balanced coin is tossed twice will be ?

Answer : A. 1/4

View Answer

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5 ?

Answer : D. 9/20…

View Answer