Q. If the radius of a sphere is increased by 10%, then its volume increases by:
✅ Correct Answer: (C)
33.1%
Explanation: Volume ∝ r³. (1.1)³ = 1.331, hence increase = 33.1%.
Explanation by: Mahesh Chandra
Volume ∝ r³. (1.1)³ = 1.331, hence increase = 33.1%.