Q. If the edge of a cube is reduced by 20%, then its volume decreases by:
✅ Correct Answer: (B)
48.8%
Explanation: New volume = (0.8)³ = 0.512. Decrease = 48.8%.
Explanation by: Mahesh Chandra
New volume = (0.8)³ = 0.512. Decrease = 48.8%.