Question

    What will be the number of permutations of n different

    things, taken r at a time, where repeatition is allowed?
    A (n / r(n-1)) Correct Answer Incorrect Answer
    B n^rn Correct Answer Incorrect Answer
    C n^r Correct Answer Incorrect Answer
    D (n-1)^r Correct Answer Incorrect Answer

    Solution

    The correct answer is C

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