engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Mensuration Solid Figures
The radii of two right circular cylinders are in the ratio 3 ∶ 4 and heights are in the ratio 4 ∶ 5. The ratio of their curved surface areas is:
1
3 ∶ 5
2
2 ∶ 5
3
2 ∶ 3
4
1 ∶ 3