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Arithmetic Aptitude :: Probability

  1.  What is the probability that when a hand of 5 cards is drawn from a well shuffled deck of 52 cards, it contains all Queens

  2. A.

    192/37015

    B.

    182/379015

    C.

    92/37901

    D.

    192/379015


  3.  What is the probability that when a hand of 6 cards is drawn from a well shuffled deck of 52 cards, it contains 2 Queen

  4. A.

    291/1017926

    B.

    29187/1017926

    C.

    29187/101792

    D.

    2987/101926


  5.  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?

  6. A.

    10/21

    B.

    11/21

    C.

    2/7

    D.

    5/7


  7.  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?

  8. A.

    1/3

    B.

    3/4

    C.

    7/19

    D.

    8/21


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

  10. A.

    1/6

    B.

    1/8

    C.

    1/9

    D.

    1/12


  11.  Three unbiased coins are tossed. What is the probability of getting at most two heads?

  12. A.

    3/4

    B.

    1/4

    C.

    3/8

    D.

    7/8


  13.  Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?

  14. A.

    1/2

    B.

    3/4

    C.

    3/8

    D.

    5/16


  15.  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:

  16. A.

    21/46

    B.

    25/117

    C.

    1/50

    D.

    3/25


  17.  From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings?

  18. A.

    1/15

    B.

    25/57

    C.

    35/256

    D.

    1/221


  19.  One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is a face card (Jack, Queen and King only)?

  20. A.

    1/13

    B.

    3/13

    C.

    1/4

    D.

    9/52