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    Question

    How many numbers of five digits may be formed with the

    digits 7, 2, 0, 0, and 1?          
    A 44 Correct Answer Incorrect Answer
    B 36 Correct Answer Incorrect Answer
    C 30 Correct Answer Incorrect Answer
    D 42 Correct Answer Incorrect Answer

    Solution

     3 p1 ways and remaining 4 digits  (as 0 occurs twice) ways   3p1×    =   = 36 ways

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