Home / Arithmetic Aptitude / Probability :: [Data efficiency-2]

Arithmetic Aptitude :: Probability

  1.  From a pack of cards two cards are drawn one after the other, with replacement. The probability that the first is a red card and the second is a king is -.

  2. A.

    1/26

    B.

    3/52

    C.

    15/26

    D.

    11/26

    View Answer

    Workspace

    Discuss Discuss in Forum


  3.  If a box contains 10 bulbs,of which just three are defective. If a random sample of five bulbs is drawn, find the probability that the sample contains no defective bulbs.

  4. A.

    5/12

    B.

    7/12

    C.

    3/14

    D.

    1/12

    View Answer

    Workspace

    Discuss Discuss in Forum


  5.  An unbiased cubic die is thrown.What is the probabiltiy of getting a multiple of 3 or 4?

  6. A.

    1/12

    B.

    1/9

    C.

    3/4

    D.

    1/2

    View Answer

    Workspace

    Discuss Discuss in Forum


  7.  Three unbiased coins are tossed, what is the probability of getting exactly two heads ?

  8. A.

    1/3

    B.

    3/4

    C.

    2/3

    D.

    3/8

    View Answer

    Workspace

    Discuss Discuss in Forum


  9.  In a simultaneous throw of two coins, the probability of getting at least one head is ?

  10. A.

    1/2

    B.

    2/3

    C.

    3/4

    D.

    1/3

    View Answer

    Workspace

    Discuss Discuss in Forum


  11.  In a throw of a coin, the probability of getting a head is ?

  12. A.

    1/2

    B.

    1/4

    C.

    1

    D.

    None of these

    View Answer

    Workspace

    Discuss Discuss in Forum


  13.  The probability that a teacher will give one surprise test during any class meeting in a week is 1/5. If a student is absent twice. What is the probability that he will miss at least one test ?

  14. A.

    4/15

    B.

    1/15

    C.

    91/25

    D.

    16/125

    View Answer

    Workspace

    Discuss Discuss in Forum


  15.  In a simultaneous throw of two dice find the probability of getting a total of 8 .

  16. A.

    2/9

    B.

    5/36

    C.

    1/6

    D.

    Data Inadequate

    View Answer

    Workspace

    Discuss Discuss in Forum


  17.  What is the probability that an ordinary year has 53 Sundays ?

  18. A.

    53/365

    B.

    1/7

    C.

    2/7

    D.

    48/53

    View Answer

    Workspace

    Discuss Discuss in Forum


  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 ?

  20. A.

    4/13

    B.

    1/4

    C.

    9/52

    D.

    1/13

    View Answer

    Workspace

    Discuss Discuss in Forum