GRE Problem Solving Question 173

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Source: Monkey

The " reflection " of a positive intager is obtained by reversing its digits.For example.321 is the reflection of 123 The difference between a five-dight integer and its reflection must be divisible by which of the following?

  • A 2
  • B 4
  • C 5
  • D 6
  • E 9

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