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Arithmetic Aptitude :: Probability

  1. What is the probability of getting an even number when a dice is rolled?

  2. A.
    1/5
    B.
    1/2
    C.
    1/3
    D.
    1/4

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  3. What is the probability of getting two tails when two coins are tossed?

  4. A.
    1/3
    B.
    1/6
    C.
    1/2
    D.
    1/4

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  5. The tickets numbered from 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket has a number which is a multiple of 3 or 5?

  6. A.
    9/20
    B.
    9/24
    C.
    9/27
    D.
    9/30

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  7. A box contains 2 red, 3 green, and 2 blue balls. What is the probability that none of the balls drawn is blue?

  8. A.
    10/25
    B.
    10/21
    C.
    10/31
    D.
    10/21

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  9. In a bag, there are 8 red, 7 yellow and 6 green balls. If one ball is picked up at random, what is the probability that it is neither red nor green?

  10. A.
    1/4
    B.
    1/2
    C.
    1/5
    D.
    1/3

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

  12. A.
    1/9
    B.
    1/8
    C.
    1/7
    D.
    1/6

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  13. In a group of students, there are 15 boys and 10 girls. If three students are selected at random, what is the probability that 1 girl and 2 boys are selected?

  14. A.
    21/46
    B.
    21/36
    C.
    21/26
    D.
    21/56

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  15. In a lottery, there are 5 prizes and 35 blanks. If a lottery is drawn at random what will be the probability of getting a prize?

  16. A.
    1/5
    B.
    1/6
    C.
    1/7
    D.
    1/8

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  17. A man draws two cards together from a pack of 52 cards. What is the probability of both the cards being kings?

  18. A.
    1/111
    B.
    1/121
    C.
    1/221
    D.
    1/321

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  19. A man tossed two dice. What is the probability that the total score is a prime number?

  20. A.
    5/12
    B.
    5/14
    C.
    5/20
    D.
    5/24

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