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RRB NTPC 2017 · Question 133 of 1076

A number series is given below with one number missing, shown by a '?'. Choose from the options the correct alternative that w1ll fit the pattern of the series. 2, 6, 12, ?, 30, 42, 56

  1. A20Correct
  2. B21
  3. C23
  4. D25

Answer: A. 20

Official answer key verified. Detailed explanation coming soon.

Source: RRB NTPC Tier-2 (CEN 03/2015) 18-Jan-2017 Shift-3 — solved paper with answer key · reliable-secondary

← Q132View full paper (1076 questions)Q134 →

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