DSSSB · Mathematics
A solid metallic sphere of radius 10 cm is melted and recast into smaller spherical balls, each of radius 2 cm. Assuming no wastage of material, what is the total surface area of all the small spherical balls formed? (Use π = 3.14)
- 6280 cm²
- 2512 cm²
- 3140 cm²
- 5024 cm²
A solid metallic sphere of radius 10 cm is melted and recast into smaller spherical balls, each of radius 2 cm. Assuming no wastage of material, what is the total surface area of all the small spherical balls formed? (Use π = 3.14)
- 6280 cm²
- 2512 cm²
- 3140 cm²
- 5024 cm²
Answer and detailed solution are available in the protected study screen.
Register or login to attempt