1 Three unbiased coins are tossed. What is the probability of getting at most two heads ? A) 3/4 B) 1/4 C) 3/8 D) 7/8
2 In a single throw of a die, what is the probability of getting a number greater than 4 ? A) 1/2 B) 1/3 C) 2/3 D) 1/4
3 In 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
4 Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even ? A) 1/2 B) 3/4 C) 3/8 D) 5/16
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 Two 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
10 Two cards are drawn from a pack of 52 cards. The probability that either both are red or both are kings, is : A) 7/13 B) 3/26 C) 63/221 D) 55/221
11 A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white ? A) 3/4 B) 4/7 C) 1/8 D) 3/7
12 A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue ? A) 10/21 B) 11/21 C) 2/7 D) 5/7
13 In 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 red nor green ? A) 2/3 B) 3/4 C) 7/19 D) 8/21 E) 9/21
14 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
15 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
