The diameter of two sphere are in the ratio`1:2`, what is the ratio between their total surface area.

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 volumes of two spheres are in the ratio '27: 64 .' What is the ratio of their radii? And the ratio of their surface areas?

Two masses are in the ratio 1:5 . What is the ratio of inertia of this case?

The central angle of a circle is divided in the ratio 2:3 to form two sectors. Two cones are made by rolling up the two sectors.What is the ratio between the curved surface areas.

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.