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    Question

    If in a number 5362465786, '1' is added to all the even

    place digits and '1' is subtracted from all the odd place digits from the left end. Then, which of the following digit/digits are repeated thrice in the new number?
    A Only 4 Correct Answer Incorrect Answer
    B Only 4 and 7 Correct Answer Incorrect Answer
    C Only 7 Correct Answer Incorrect Answer
    D Only 3 Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    5          3          6          2          4          6          5          7          8          6 4          4          5          3          3          7          4          8          7          7 So, only 4 and 7 is repeated thrice in the new number.

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