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      Question

      Which of the following numbers is divisible by

      11?
      A 8463729 Correct Answer Incorrect Answer
      B 6938254 Correct Answer Incorrect Answer
      C 2471865 Correct Answer Incorrect Answer
      D 3527164 Correct Answer Incorrect Answer

      Solution

      8463729: Difference = (8 + 6 + 7 + 9) – (4 + 3 + 2) = 30 – 9 = 21
      6938254: Difference = (6 + 3 + 2 + 4) – (9 + 8 + 5) = 15 – 22 = 7
      2471865: Difference = (2 + 7 + 8 + 5) – (4 + 1 + 6) = 22 – 11 = 11
      3527164: Difference = (3 + 2 + 1 + 4) – (5 + 7 + 6) = 10 – 18 = 8
      2471865 is divisible by 11.

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