Civil Service Exam Reviewer · Number Series · medium

What number(s) should complete the series: 2 1/2, 3 3/4, 5, 6 1/4, ?

  1. 7 1/2
  2. 7 1/4
  3. 6 3/4
  4. 8

Answer

A. 7 1/2

Solution

Each term adds 1 1/4 (1.25): 2.5, 3.75, 5, 6.25, 7.5 = 7 1/2.

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