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    Question

    If in the number '743557483', '1' is added to all the

    odd digits and '2' is subtracted from the all the even digits then, all the digits are arranged in ascending order from left to right. What is the sum of first four digits from the left end of the number thus formed?
    A 14 Correct Answer Incorrect Answer
    B 12 Correct Answer Incorrect Answer
    C 17 Correct Answer Incorrect Answer
    D 18 Correct Answer Incorrect Answer
    E 16 Correct Answer Incorrect Answer

    Solution

    7          4          3          5          5          7          4          8          3          8          2          4          6          6          8          2          6          4 2          2          4          4          6          6          6          8          8 So, the sum of the first four digits from the left end is = (2 + 2 + 4 + 4) = 12.

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