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  9. Q135

RRB Technician (Grade I Signal + Grade III) 2024 · Question 135 of 1214

The radius of a right circular cone is 2.1 cm and its height is 2.8 cm . The total surface area of the cone is: (Take $\pi=22 / 7$ )

best-effort

  1. A23.1 cm²
  2. B46.2 cm²
  3. C18.48 cm²
  4. D36.96 cm²Correct

Answer: D. 36.96 cm²

Official answer key verified. Detailed explanation coming soon.

Source: RRB Technician Grade 1 2024 Questions: 19 Dec Shift 3 (4:30 PM - 6:00 PM) (testpaper.org compilation) · memory-based

← Q134View full paper (1214 questions)Q136 →

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