SSC CGL 2025 — Q60 Solved Answer with Explanation

SSC CGL — Quantitative Aptitude — 2025

View the full solved paper: SSC CGL 2025 Tier I — 17 Sep 2025 (Shift 1)

Question

A hollow metallic sphere has outer radius 10 cm and is melted to make 50 smaller solid spheres of radius 2 cm. What is the inner radius of the original sphere?

  1. A. 8.43 cm (Correct answer)
  2. B. 7.48 cm
  3. C. 5.46 cm
  4. D. 6.44 cm

Correct Answer

Option A — 8.43 cm