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

If the surface areas of two spheres are in the ratio 4:9 , then the ratio of their volumes is :

The radii of two spheres are in the ratio 1 : 2 . Find the ratio of their surface 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

If the surface areas of two spheres are in the ratio 9:16, the ratio of their volumes is

The surface areas of two spheres are in the ratio 1:4. What is the ratio of their volumes ?

If the surface area of two spheres is in the ratio 49 : 25, then the ratio of their volumes will be:

If the base radii of two cylinders are in the ratio 3:4 and their heights are in the ratio 4: 9. then the ratio of their respective volumes is :

Two cones have their heights in the ratio 1:3 . If the radii of their bases are in the ratio 3:1 , then the ratio of their volumes will be