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  9. Q69

RRB Group D (Level-1 posts) 2022 · Question 69 of 598

Which of the following numbers will replace the question mark (?) in the given series: 9, 10, 18, 45, 109, ?

  1. A132
  2. B198
  3. C234Correct
  4. D218

Answer: C. 234

Explanation

Observing the increasing pattern, we see each term is calculated by a specific increase rule, leading the next number to be 234.( 13 , 23 , 33, 43, 53)

Source: RRB Group D 2022 Prev. Yr. Paper (17 Aug 2022) (Shift 1) - FreshersNow · reliable-secondary

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