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    Question

    Which of the following numbers is divisible by

    11?
    A 3649285 Correct Answer Incorrect Answer
    B 2517846 Correct Answer Incorrect Answer
    C 1938427 Correct Answer Incorrect Answer
    D 7428516 Correct Answer Incorrect Answer

    Solution

    3649285: Difference = (3 + 4 + 2 + 5) тАУ (6 + 9 + 8) = 14 тАУ 23 = 9
    2517846: Difference = (2 + 1 + 8 + 6) тАУ (5 + 7 + 4) = 17 тАУ 16 = 1
    1938427: Difference = (1 + 3 + 4 + 7) тАУ (9 + 8 + 2) = 15 тАУ 19 = 4
    7428516: Difference = (7 + 2 + 5 + 6) тАУ (4 + 8 + 1) = 20 тАУ 13 = 7
    None of them is divisible by 11.

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