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      Question

      The number 611611611611611611611 is 

      A Divisible by 6 but not by 11 Correct Answer Incorrect Answer
      B Neither divisible by 6 nor by 11 Correct Answer Incorrect Answer
      C Divisible by both 6 and 11 Correct Answer Incorrect Answer
      D Divisible by 11 but not by 6 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Sum of digits = 56 and  So it is not divisible by 6. (Sum of digits at odd places) – (sum of digits at even places) = 31 – 25 = 6 ∴ 6 is not divisible by 11.

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