Mathematics
Grade-4-
Easy

Question

The probability of getting the sum of 10 when two fair dice are tossed is

  1. 1 over 6
  2. 1 over 10
  3. 1 over 16
  4. 1 over 12

The correct answer is: 1 over 12


    One dice have 6 faces .
    When two fair dice are tossed then the total no. pairs = 6  × 6 = 36
    The pairs to get the sum 10 are (4,6) ,
    (6 ,4) and (5,5).
    The no. of pairs to get sum 10 is 3 .
    So the probability of getting sum 10 is
    space space space space space 3 over 36
equals 1 over 12
    So ,the correct choice is 4.

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