The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to its height.
3:7
7:3
6:7
5:6
πr2h2πrh=924264⇒r=(924264×2)=7m
2πrh = 264
h=(264×722×12×17)=6m
∴ Required ratio = 2rh=146=7:3