12th Class Mathematics Sample Paper Mathematics Olympiad - Sample Paper-5

  • question_answer
    A pair of fair dice are rolled together till a sum of either 5 or 7 is obtained. The probability that 5 comes before 7 is

    A)  0. 45               

    B)  0. 4            

    C)  0. 5                             

    D)  0. 6

    Correct Answer: B


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