Mathematics · Mensuration
A hollow metallic sphere has an outer radius of 20 cm and is melted down to produce 100 smaller solid spheres, each with a radius of 4 cm. What was the approximate inner radius of the original hollow sphere?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 111.70 cm✓
- 210.92 cm
- 314.96 cm
- 416.86 cm
Correct answer
11.70 cm
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