Find the next number in the series: 2, 20, 5, 18, 8, 16, ?

  1. 16
  2. 11
  3. 12
  4. 14
Answer

B) 11

Two series are mixed together. Odd positions: 2, 5, 8 (step 3); even positions: 20, 18, 16 (step -2). Next is an odd position: 8 + 3 = 11.

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