railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Mensuration Solid Figures
The height of a right-circular cone was errantly increased by 200%, while its radius was decreases by 50%. The faulty volume obtained was what percent more or less than the original volume?
1
25% decrease
2
25% increase
3
20% increase
4
15% decrease