Civil Service Exam Reviewer · Number Series · hard

What number(s) should complete the series: 5, 12, 33, 96, 285, ?

  1. 855
  2. 852
  3. 858
  4. 474

Answer

B. 852

Solution

Each term = previous × 3 − 3: 285 × 3 − 3 = 852.

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