Home » Probability – Questions and Answers – Quiz 1

Probability – Questions and Answers – Quiz 1

1. 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?
1/2
2/5
8/15
9/20

2. 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?
10/21
11/21
2/7
5/7

3. 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?
1/3
3/4
7/19
8/21

4. What is the probability of getting a sum 9 from two throws of a dice?
1/6
1/8
1/9
1/12

5. Three unbiased coins are tossed. What is the probability of getting at most two heads?
3/4
1/4
3/8
7/8

Score =
Correct answers:

Leave a Reply

Your email address will not be published.