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

  • question_answer
    The probability of forming a three digit number with the same digits when three digit numbers are formed out of the digits \[0,2,4,6,8\]

    A)  \[\frac{1}{16}\]

    B)  \[\frac{1}{12}\]

    C)  \[\frac{1}{645}\]

    D)  \[\frac{1}{25}\]

    Correct Answer: D

    Solution :

    Total number of cases \[=4\times 5\times 5=100\] Favourable cases are \[222,444,666,888\]. No. of favourable cases \[=4\] Required probability \[=\frac{4}{100}=\frac{1}{25}\]


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