Probability – Aptitude MCQ Questions – 06 Posted on July 11, 2020July 11, 2020 by admin Question 1Four persons are chosen at random from a group of 3 men, 2 women and 4 children. The chance that exactly 2 of them are children, is- A. 1/9 B. 1/5 C. 1/12 D. 10/21 Question 2The probability that a card drawn from a pack of 52 cards will be a diamond or a king is - A. 2/13 B. 4/13 C. 1/13 D. 1/52 Question 3In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize ? A. 1/10 B. 2/5 C. 2/7 D. 5/7 Question 4Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is- A. 3/20 B. 29/34 C. 47/100 D. 13/102 Question 5An urn contains 6 red, 4 blue, 2 green and 3 yellow marbles. If three marbles are picked up at random, what is the probability that 2 are blue and 1 is yellow ? A. 13/35 B. 1/5 C. 18/455 D. 7/15 Question 6A basket contains 6 blue, 2 red, 4 green, and 3 yellow balls. If three balls are picked up at random, what is the probability that none is yellow? A. 3/455 B. 1/5 C. 4/5 D. 44/91 Question 7A committee of 3 members is to be selected out of 3 men and 2 women. What is the probability that the committee has at least 1 woman ? A. 1/10 B. 9/20 C. 1/20 D. 9/10 Question 8A basket contains 4 red, 5 blue and 3 green marbles. If 2 marbles are drawn at random from the basket, What is the probability that both are red ? A. 3/7 B. 1/2 C. 1/11 D. 1/6 Question 9A speaks truth in 75% cases and B in 80% of the cases. In what percentage of cases are they likely to contradict each other, in narrating the same incident ? A. 5% B. 15% C. 35% D. 45% Question 10What is the probability of getting a sum 9 from two throws of a dice ? A. 1/6 B. 1/8 C. 1/9 D. 1/12