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  9. Q55

RRB NTPC 2025 · Question 55 of 409

Find the number of bricks, each measuring 72 cm × 50 cm × 25 cm, required to construct a wall 81 long, 29 high and 0.8 thick, while the sand and cement mixture occupies 40% of the total volume of wall.

  1. A12496
  2. B12687Correct
  3. C12528
  4. D12727

Answer: B. 12687

Official answer key verified. Detailed explanation coming soon.

Source: RRB NTPC Graduate CBT-2 response sheet 13-Oct-2025 Shift-1 (candidate-shared copy of official answer-key viewing) · official-answer-key

← Q54View full paper (409 questions)Q56 →

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