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    Question

    In the given number 642516127, one is added to all the even digits and one is subtracted from all the odd digits, then what is the sum of all the digits that are not repeated after the re-arrangement?

    A 13 Correct Answer Incorrect Answer
    B 15 Correct Answer Incorrect Answer
    C 12 Correct Answer Incorrect Answer
    D 18 Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    6          4          2          5          1          6          1          2          7 7          5          3          4          0          7          0          3          6 Required sum = 5 + 4 + 0 + 6 = 15.

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