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    1. Home
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    3. Quantitative Aptitude
    4. Permutation and combination
    5. How many numbers of five digits may be formed with the digits 7, 2, 0, 0, and 1?          

    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

    Practice Next
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