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      Question

      If 1 is added to the first digit of each number

      and 1 is subtracted from the last digit of each number, how many numbers thus formed will be completely divisible by 3? These questions are based on the following set of numbers: 523 224 347 758 612
      A 1 Correct Answer Incorrect Answer
      B 2 Correct Answer Incorrect Answer
      C 3 Correct Answer Incorrect Answer
      D 4 Correct Answer Incorrect Answer
      E 5 Correct Answer Incorrect Answer

      Solution

      523 224 347 758 612 622 323 446 857 711

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