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      Question

      If we increase each even digit by 1 and decrease each

      odd digit by 1 in the number "8951752864" and then arrange all the digits in ascending order, then which digit will be 4 th from the left end after the rearrangement?
      A 2 Correct Answer Incorrect Answer
      B 4 Correct Answer Incorrect Answer
      C 5 Correct Answer Incorrect Answer
      D 7 Correct Answer Incorrect Answer

      Solution

      8          9          5          1          7          5          2          8          6          4 9          8          4          0          6          4          3          9          7          5 After arranging all the number in ascending order, we get 0          3          4          4          5          6          7          8          9          9          4th digit from the left end is "4".

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