Probability – Aptitude MCQ Questions – 15 Posted on July 11, 2020July 11, 2020 by admin Question 1In a throw of coin what is the probability of getting head. A. 0 B. 1 C. 2 D. 12 Question 2In a school, 45% of the students play football, 30% play volleyball and 15% both. If a student is selected at random, then the probability that he plays football or volleyball is: A. 1/4 B. 2/7 C. 3/5 D. 4/5 Question 3Two dice are thrown simultaneously. What is the probability of getting the face numbers are same? A. 1/6 B. 2/3 C. 4/9 D. 5/6 Question 4Find the probability that getting 4 digit number with 1 in the unit place and 2 in the tens place when the numbers 1, 2, 3, 4 and 5 are arranged at random without repeating. A. 1/5 B. 1/10 C. 1/15 D. 1/20 Question 5In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither blue nor green? A. 2/3 B. 3/7 C. 8/21 D. 9/22 Question 6On rolling a dice 2 times, the sum of 2 numbers that appear on the uppermost face is 8. What is the probability that the first throw of dice yields 4? A. 2/36 B. 1/36 C. 1/6 D. 1/5 Question 7A box contains 3 white, 4 red and 7 blue erasers. If five erasers are taken at random then the probability that all the five are blue color is: A. 2/126 B. 3286 C. 12/121 D. 13/211 Question 8Two unbiased coins are tossed. What is probability of getting at most one tail ? A. 12 B. 23 C. 3/2 D. 3/4 Question 9Two dice are thrown simultaneously. What is the probability of getting the sum of the face number is odd? A. 1/2 B. 2/3 C. 3/4 D. 1/3 Question 10Bag contain 10 black and 20 white balls, One ball is drawn at random. What is the probability that ball is white A. 1/3 B. 2/3 C. 1/2 D. 4/3