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    Question

    Which one of the following numbers is divisible by 11?

    A 4873524 Correct Answer Incorrect Answer
    B 1987645 Correct Answer Incorrect Answer
    C 2875944 Correct Answer Incorrect Answer
    D 3587645 Correct Answer Incorrect Answer

    Solution

    The given number can only be completely divided by 11 if the difference between the sum of digits at the odd position and the sum of digits at the even position in a number is 0 or 11. 1987645 1+8+6+5=20 9+7+4=20 =20-20=0.

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