RAJASTHAN ­ PET Rajasthan PET Solved Paper-2009

  • question_answer
    If a pair of two fair dice is thrown, then the probability of getting the sum 5 on both dice is

    A)  \[\frac{5}{36}\]

    B)  \[\frac{1}{12}\]

    C)  \[\frac{1}{18}\]

    D)  \[\frac{1}{9}\]

    Correct Answer: D

    Solution :

     Total case\[=6\times 6=36\] Number of ways in which the sum 5 on both dice are (1, 4) (4,1), (2, 3), (3, 2) \[\therefore \]Total number of favourable case = 4 \[\therefore \]Required probability\[=\frac{4}{36}=\frac{1}{9}\]


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