The ratio of the diameters of two cylinders is `1: 2` and the ratio of the length is `3: 1`. What is the ratio of their volumes?

The base radii of two cylinders of the same height are in the ratio 3: 4 . What is the ratio of their volumes?

The radii of two cylinders are in the ratio 2: 3 and their height are in the ratio 9: 4 . a) What is the ratio of their. volume? b) The radii of two cylinders are in the ratio 1: 2 . Find the ratio of their heights, if their volumes are same.

The base radii of two cylinders are in the ratio 2: 3 and their heights are in the ratio 5: 4 . i) What is the ratio of their volumes? ii) The volume of the first cylinder is 720 centimetres. What is the volume of the second?

Find the ratio of the surface area if the radii of two spheres are in the ratio '2: 3 .' What is the ratio of their volume?

The base-radii of two cones are in the ratio '3: 5' and their heights are in the ratio '2: 3 .' What is the ratio of their volumes?

The diameters of two cylinders having the same height are in the ratio 2: 3 . a) What is the ratio of their radii? b) What is the ratio of their volumes? c) If volumes of two cylinders having the same height are in the ratio a : b , then what is the ratio of their radif?