if the radii of two spheres are in the ratio `2:3`, then the ratio of their respective volumes is -----------------.

The radii of two circles are in the ratio 2:5. What is the ratio of their areas ?

If volume of two spheres are in the ratio 64: 27 , then the ratio of their surface area is

If volumes of two spheres are in the ratio 64:27 then the ratio of their surface areas is

The surface area of two spheres are in the ratio 16:9 .Find the ratio of their volumes.

The ratio of the radii of two spheres is 1 : 3. Find the ratio of their volume.

If the ratio of the radii of two circles is 2:3, find the ratio of their areas.

If the heights of two cones are in the ratio of 1:4 and the radii of their bases are in the ratio 4:1, then the ratio of their volumes is (a) 1:2 (b) 2:3 (c) 3:4 (d) 4:1

If the radius of one sphere is twice the radius of second sphere, then find the ratio of their volumes.

If the ratio of the volumes of two spheres is 1 : 8, then find the ratio of their radii.

If the ratio of the areas of two circles is 9:16, find the ratio of their radii.