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?
Answer & explanation
Correct answer: option 3
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