state gov Bihar Police SI (दरोगा) Mock Test Series 2025 Quantitative Aptitude Mensuration Solid Figures
If the radius of the base of a right circular cylinder is increased by 20% and the height is decreased by 30%, then what is the percentage increase/decrease in the volume?
1
Decrease 0.8%
2
Increase 2%
3
Increase 0.8%
4
Decrease 2%