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    Question

    Which of the following numbers is divisible by

    11?
    A 5837924 Correct Answer Incorrect Answer
    B 7412965 Correct Answer Incorrect Answer
    C 2857146 Correct Answer Incorrect Answer
    D None Correct Answer Incorrect Answer

    Solution

    5837924: Difference = (5 + 3 + 9 + 4) тАУ (8 + 7 + 2) = 21 тАУ 17 = 4
    7412965: Difference = (7 + 1 + 9 + 5) тАУ (4 + 2 + 6) = 22 тАУ 12 = 10
    2857146: Difference = (2 + 5 + 1 + 6) тАУ (8 + 7 + 4) = 14 тАУ 19 = 5
    3162849: Difference = (3 + 6 + 8 + 9) тАУ (1 + 2 + 4) = 26 тАУ 7 = 19
    None of them is divisible by 11.

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