The radii of two cylinders are in the ratio 2 : 2 and their heights are in the ratio 5 : 3. Calculate the ratio of their columes and the ratio of their curved surfaces.

Given,

Ratio of radii of cylinders = r₁:r₂ =

Ratio oh heights of cylinders = h₁:h₂ =

So, ratio of their volumes = ₁²h₁ : πr₂²h₂ =

Ratio of their curved surface areas = 2πr₁h₁ : 2πr₂h₂ =