other govt exam DRDO CEPTAM Admin & Allied (A&A) 2022 Mock Test Quantitative Aptitude Mensuration Solid Figures
A sphere, a cylinder and a cone have equal radii and equal heights. The ratio of their curved surface area will be
1
2 : 1 : 2√2
2
4 : 4 : √2
3
4 : 4 : √5
4
2√2 : 3√3 : 2