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    Question

    In the number ‘8984376589’, 1 is subtracted from

    all the odd numbers and 1 is added to all the even numbers. Now, in the obtained number, how many such digits are there each of which remains at its original position when all the digits are arranged in ascending order within the number from left to right?
    A One Correct Answer Incorrect Answer
    B Two Correct Answer Incorrect Answer
    C Three Correct Answer Incorrect Answer
    D Four Correct Answer Incorrect Answer
    E None Correct Answer Incorrect Answer

    Solution

    8              9              8              4              3              7              6              5              8              9 9              8              9              5              2              6              7              4              9               8 2              4              5              6              7              8              8              9              9               9

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