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J & K CET Engineering J and K - CET Engineering Solved Paper-2007

  • question_answer
    When three dice are thrown the probability of getting a 4 or a 5 on each of the dice simultaneously is

    A)  \[\frac{1}{72}\]           

    B)  \[\frac{1}{108}\]

    C)  \[\frac{1}{24}\]           

    D)  None of these

    Correct Answer: D

    Solution :

    Total number of cases \[={{6}^{3}}=216\] Favourable cases are \[445,454,544,455,545,\] \[554,555,444.\] \[\therefore \] Total  number of favourable cases \[=8\] \[\therefore \] Required probability \[=\frac{8}{216}=\frac{1}{27}\]


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