state gov UP Police Assistant Operator (Radio Cadre) Mock Test Quantitative Aptitude Mensuration Solid Figures
If the radius of a right circular cone is decreased by 10% and its height is increased by 40%, then by what percent does its volume increase or decrease?
1
Decreases by 13.4%
2
Decreases by 1.34%
3
Increases by 1.34%
4
Increases by 13.4%