1 What 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
2 In a simultaneous throw of two dice, what is the probability of getting a doublet ? A) 1/6 B) 1/4 C) 2/3 D) 3/7
3 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) 3/10 B) 3/20 C) 2/5 D) 1/2
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 has a number which is a multiple of 3 or 5 ? A) 1/2 B) 2/5 C) 8/15 D) 9/20
5 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) 1/13 B) 4/13 C) 1/4 D) 9/52
6 A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is : A) 1/13 B) 2/13 C) 1/26 D) 1/52
7 From a pack of 52 cards, one card is drawn at random. What is the probability that the card drawn is.a ten or a spade ? A) 4/13 B) 1/4 C) 1/13 D) 1/26
8 From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings ? A) 1/15 B) 25/57 C) 35/256 D) 1/221
9 A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random from the bag. The probability that all of them are red, is : A) 1/22 B) 3/22 C) 2/91 D) 2/77
10 A bag contains 6 white^and 4 red balls. Three balls are drawn at random. What is the probability that one ball is red and the other two are white ? A) 1/2 B) 1/12 C) 3/10 D) 7/12
11 A box contains 4 red balls, 5 green balls 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) 2/5 B) 3/5 C) 1/5 D) 7/15
12 Four 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
13 A box contains 20 electric bulbs, out of which 4 are defective. Two bulbs are chosen at random from this box. The probability that at least one of these is defective, is : A) 4/19 B) 7/19 C) 12/19 D) 21/95
14 In a class, 30% of the students offered English, 20% offered Hindi and 10% offered both. If a student is selected at random, what is the probability that he. has offered English or Hindi ? A) 2/5 B) 3/4 C) 3/5 D) 3/10
15 A man and his wife appear in an interview for two vacancies in the same post. The probability of husband's selection is (1/7) and the probability of wife's selection is (1/5). What is the probability that only one of them is selected ? A) 4/5 B) 2/7 C) 8/15 D) 4/7
