Question

    If we subtract 1 from all the even digits of the number

    2371624351, then, which digit(s) appear(s) more than twice after the rearrangement?
    A Only 7 and 3 Correct Answer Incorrect Answer
    B Only 3 and 1 Correct Answer Incorrect Answer
    C Only 5 and 7 Correct Answer Incorrect Answer
    D Only 9 and 7 Correct Answer Incorrect Answer

    Solution

    2 3 7 1 6 2 4 3 5 1

    1 3 7 1 5 1 3 3 5 1

    Digits that appear more than twice: 3 and 1.

    Practice Next

    Relevant for Exams: