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
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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
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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) 1/3
- (b) 3/4
- (c) 7/19
- (d) 8/21
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What is the probability of getting a sum of 9 from two throws of a dice?
- (a) 1/9
- (b) 1/12
- (c) 1/8
- (d) 1/6
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Three unbiased coins are tossed. What is the probability of getting at most two heads?
- (a) 7/8
- (b) 3/4
- (c) 1/4
- (d) 3/8
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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
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In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected is:
- (a) 21/46
- (b) 25/117
- (c) 1/50
- (d) 3/25
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In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?
- (a) 2/7
- (b) 1/10
- (c) 2/5
- (d) 5/7
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From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings?
- (a) 1/221
- (b) 1/15
- (c)1/26
- (d) 25/57
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Two dice are tossed. The probability that the total score is a prime number is:
- (a) 1/6
- (b) 5/12
- (c) 1/2
- (d) 7/9
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