Civil Service Exam Reviewer · Number Series · hard

What number(s) should complete the series: 28, 80, 32, 78, 36, 76, , ?

  1. 74, 40
  2. 40, 74
  3. 40, 72
  4. 41, 73

Answer

B. 40, 74

Solution

Two series alternate: 28, 32, 36 (+4) and 80, 78, 76 (−2). Next: 40, then 74.

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