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  9. Q397

RRB Group D (Level-1 posts) 2022 · Question 397 of 598

Which of the following numbers will replace the question mark (?) in the given series? 2, 14, 70, 210, ?

  1. A210Correct
  2. B420
  3. C410
  4. D630

Answer: A. 210

Explanation

The pattern follows the rule: each term is multiplied by the next odd number to get the next term. So, 2 × 7 = 14, 14 × 5 = 70, 70 × 3 = 210, and 210 × 1 = 210

Source: RRB Group D 2022 Prev. Yr. Paper (18 Aug 2022) (Shift 2) - Prepp · reliable-secondary

← Q396View full paper (598 questions)Q398 →

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