Probability – Aptitude MCQ Questions – 13 Posted on July 11, 2020July 11, 2020 by admin Question 1A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are drawn at random, what is the probability that at least one is green? A. 23/35 B. 29/35 C. 47/70 D. 43/70 Question 2Tickets numbered 1 to 50 are mixed and one ticket is drawn at random. Find the probability that the ticket drawn has a number which is a multiple of 4 or 7? A. 9/25 B. 9/50 C. 18/25 D. None of these Question 3A box has 6 black, 4 red, 2 white and 3 blue shirts. Find the probability of drawing 2 black shirts if they are picked randomly? A. 1/8 B. 2/15 C. 6/15 D. 1/7 Question 4If four coins are tossed, the probability of getting two heads and two tails is - A. 3/8 B. 6/11 C. 2/5 D. 4/5 Question 5What will be the possibility of drawing a jack or a spade from a well shuffled standard deck of 52 playing cards? A. 4/13 B. 1/26 C. 1/13 D. 17/52 Question 6What is the possibility of having 53 Thursdays in a non-leap year? A. 6/7 B. 1/365 C. 1/7 D. 53/365 Question 7A dice is rolled twice. What is the probability of getting sum 9? A. 2/3 B. 1/3 C. 1/9 D. 3/9 Question 8There are 2 pots. One pot has 5 red and 3 green marbles. Other has 4 red and 2 green marbles. What is the probability of drawing a red marble? A. 9/14 B. 31/48 C. 1 D. 1/2 Question 9What is probability of drawing two clubs from a well shuffled pack of 52 cards? A. 13/51 B. 1/17 C. 1/26 D. 13/17 Question 10Three unbiased coins are tossed. What is the probability of getting at least 2 tails? A. 0.75 B. 0.5 C. 0.25 D. 0.2