GMAT Challenge Question

This week’s GMAT challenge from is a problem solving question.

If a and b are positive integers such that a/b = 23.15, which of the following could be the remainder when a is divided by b?

  1. 2
  2. 5
  3. 8
  4. 17
  5. 21

Have a go at answering this and then review your answer.

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