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  9. Q60

ibps-rrb-os1 2025 · Question 60 of 71

225, 256, 289, 324, 361, 400, 441

Number Series

  1. ANone — all correctCorrect
  2. B289
  3. C256
  4. D361
  5. E400

Answer: A. None — all correct

Explanation

225=15², 256=16², 289=17², 324=18², 361=19², 400=20², 441=21². All are perfect squares — no wrong number! But Q asks to find wrong one. Answer: (a) None — all correct.

Source: IBPS RRB PO Pre 2025 Practice Paper — Memory-Based Pattern (22nd November 2025, 2nd Shift, Oliveboard) · memory-based

← Q59View full paper (71 questions)Q61 →

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