100+ Probability Aptitude Questions and Answers - 1

Question: 1

In a simultaneous throw of a two dice, what is the probability of getting a doublet?

(A) $${1}/{2}$$

(B) $${1}/{4}$$

(C) $${1}/{6}$$

(D) $${2}/{3}$$

Question: 2

One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card?

(A) $${1} / {4}$$

(B) $${1} / {13}$$

(C) $${4} / {13}$$

(D) $${9} / {52}$$

Question: 3

A box contains 4 red, 5 green and 6 white balls. A ball is drawn at random from the box. What is the probability that the ball drawn is either red or green?

(A) $${1} / {5}$$

(B) $${2} / {5}$$

(C) $${3} / {5}$$

(D) $${7} / {15}$$

Question: 4

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

(A) $${1}/{2}$$

(B) $${2}/{5}$$

(C) $${3}/{10}$$

(D) $${3}/{20}$$

Question: 5

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?

(A) $${1} / {8}$$

(B) $${3} / {4}$$

(C) $${3} / {7}$$

(D) $${4} / {7}$$