GMAT Challenge Question

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

If x = 1/21 + 1/22 + 1/23 + 1/24 + 1/25 then which of the following inequalities is true?

  1. 1/6 > x
  2. 1/5 > x ≥ 1/6
  3. 1/4 > x ≥ 1/5
  4. 1/3 > x ≥ 1/4
  5. x ≥ 1/3

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

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