Civil Service Exam Reviewer · Number Series · hard

What number(s) should complete the series: 19, 30, 43, 60, 79, 102, ?

  1. 125
  2. 133
  3. 131
  4. 130

Answer

C. 131

Solution

Differences are consecutive primes 11, 13, 17, 19, 23; next difference 29: 131.

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