Two cylinders have their heights in the ratio 1 : 2 and their radii in the ratio 2 : 1. What is the ratio of their volumes?

3 : 1 1 : 3 2 : 1 1 : 1

2 : 1

Ratio of the height = 1 : 2 Ratio of the radius = 2 : 1 Now the ratio of the volumes = 22 × 1 : 12 × 2 = 4 : 2 = 2 : 1