Other questions in this quiz

2. 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?

  • 9/21
  • 3/4
  • 1/3
  • 8/21
  • 7/19

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 has a number which is a multiple of 3 or 5?

  • 1/2
  • 2/5
  • 8/15
  • 9/20

4. 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
  • 2/7
  • 5/7
  • 11/21

5. What is the probability of getting a sum 9 from two throws of a dice?

  • 1/9
  • 1/8
  • 1/9
  • 1/12
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