Civil Service Exam Reviewer · Number Series · medium

What number(s) should complete the series: 5, 50, 8, 46, 11, 42, , ?

  1. 14, 36
  2. 17, 38
  3. 13, 38
  4. 14, 38

Answer

D. 14, 38

Solution

Two interleaved series: the 1st/3rd/5th/7th terms add 3 (5, 8, 11, 14), and the 2nd/4th/6th/8th terms subtract 4 (50, 46, 42, 38).

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