Two cylindrical jars have their diameters in the ratio 3 : 1, but height 1 : 3. Then the ratio of their volume is

Given,


Ratio of diameters of cylinders = 3:1


So, ratio of their radii = r1:r2 = 3:1


Ratio of their heights = h1:h2 = 1:3


So, ratio of their volumes = π(r1)2h1 : π(r2)2h2 =

2