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  9. Q118

ibps-so 2018 · Question 118 of 356

In the series written out below every term is obtained from the term standing before it by one and the same operation throughout. 5, 9, 21, 57, 165, ?

  1. A489Correct
  2. B495
  3. C483
  4. D507
  5. E477

Answer: A. 489

Official answer key verified. Detailed explanation coming soon.

Source: IBPS SO Prelims Memory Based 2018 (held 29 Dec 2018, Shift 1) - Prepp · memory-based

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