Probability – Aptitude MCQ Questions – 04 Posted on July 11, 2020July 11, 2020 by admin Question 1An urn contains 6 red, 4 blue, 2 green 3 yellow marbles. If two marbles are drawn at random from the run, what is the probability that both are red ? A. 1/6 B. 1/7 C. 2/15 D. 2/5 Question 2In a simultaneous throw of two dice, what is the probability of getting a total of 7? A. 1/6 B. 1/4 C. 2/3 D. 3/4 Question 3Tickets 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 ? A. 1/2 B. 2/5 C. 8/15 D. 9/20 Question 4One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card ? A. 1/13 B. 4/13 C. 1/4 D. 9/52 Question 5A basket contains 4 red, 5 blue and 3 green marbles. If three marbles are picked up at random what is the probability that at least one is blue ? A. 7/12 B. 37/44 C. 5/12 D. 7/44 Question 6Two cards are drawn from a pack of 52 cards. The probability that either both are red or both are king, is- A. 7/13 B. 3/26 C. 63/221 D. 55/221 Question 7An urn contains 6 red, 4 blue, 2 green and 3 yellow marbles. If two marbles are picked up at random, what is the probability that either both are green or both are yellow ? A. 5/91 B. 1/35 C. 1/3 D. 4/105 Question 8One card is drawn from a pack of 52 cards. What is the probability that the card drawn is either a red card or a king ? A. 1/2 B. 6/13 C. 7/13 D. 27/52 Question 9A box contains 20 electric bulbs, out of which 4 are defective. Two balls are chosen at random from this box. The probability that at least one of them is defective, is - A. 4/19 B. 7/19 C. 12/19 D. 21/95 Question 10In a single throw of die, what is the probability of getting a number greater than 4 ? A. 1/2 B. 1/3 C. 2/3 D. 1/4