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

Arithmetic Aptitude :: Probability

  1.  The first 7 alphabets are written down at random. what is the probability that the letters a,b,c always come together?

  2. A.

    1/7

    B.

    2/7

    C.

    3/7

    D.

    4/7

    View Answer

    Workspace

    Discuss Discuss in Forum


  3.  The last 5 alphabets are written at random then the probability that the letters y and z are written down side by side is : -

  4. A.

    1/5

    B.

    2/5

    C.

    3/5

    D.

    4/5

    View Answer

    Workspace

    Discuss Discuss in Forum


  5.  Find the probability that getting 4 digit number with 1 in the unit place and 2 in the tens place when the numbers 1,2,3,4 and 5 are arranged at random without repeating.

  6. A.

    1/5

    B.

    1/10

    C.

    1/15

    D.

    1/20

    View Answer

    Workspace

    Discuss Discuss in Forum


  7.  Two dice are thrown simultaneously. What is the probability of getting the sum of the face number is odd?

  8. A.

    1/2

    B.

    2/3

    C.

    3/4

    D.

    1/3

    View Answer

    Workspace

    Discuss Discuss in Forum


  9.  Two dice are thrown simultaneously. What is the probability of getting the sum of the face number is at least 10?

  10. A.

    1/3

    B.

    1/6

    C.

    2/3

    D.

    5/6

    View Answer

    Workspace

    Discuss Discuss in Forum


  11.  Two dice are thrown simultaneously. What is the probability of getting the sum of the face number is at most 5?

  12. A.

    2/9

    B.

    2/18

    C.

    4/9

    D.

    5/18

    View Answer

    Workspace

    Discuss Discuss in Forum


  13.  Two dice are thrown simultaneously. What is the probability of getting the face numbers are same?

  14. A.

    1/6

    B.

    2/3

    C.

    4/9

    D.

    5/6

    View Answer

    Workspace

    Discuss Discuss in Forum


  15.  In a class, there are 12 boys and 16 girls. One of them is called out by an enroll number, what is the probability that the one called is a girl?

  16. A.

    1/4

    B.

    2/5

    C.

    4/7

    D.

    5/12

    View Answer

    Workspace

    Discuss Discuss in Forum


  17.  A box contains 3 white, 4 red and 7 blue erasers. If five erasers are taken at random then the probability that all the five are blue color is: -

  18. A.

    2/126

    B.

    3/286

    C.

    12/121

    D.

    13/211

    View Answer

    Workspace

    Discuss Discuss in Forum


  19.  A box contains 6 bottles of variety 1 drink, 3 bottles of variety 2 drink and 4 bottles of variety 3 drink. Three bottles of them are drawn at random, what is the probability that the three are not of

  20. A.

    632/713

    B.

    752/833

    C.

    833/858

    D.

    none of these

    View Answer

    Workspace

    Discuss Discuss in Forum