defence exam CRPF Constable Tradesmen & Technical 2023 Mock Test Quantitative Aptitude Mensuration Solid Figures
The radii of two circular cylinders are in the ratio 3 ∶ 5 and if their lateral surface areas are in the ratio 7 ∶ 10, then the ratio of their respective heights is
1
6 ∶ 5
2
4 ∶ 7
3
7 ∶ 6
4
8 ∶ 3