The surface area of two hemisphere are in the ratio 25:49, find the ratio of their radii

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

The volume of two hemisphere are in the ratio 8:27. Find the ratio of their radii.

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

The surface areas of two spheres are in the ratio 16 : 9 . The ratio of their volumes is

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

If the surface areas of two spheres are in the ratio of 4:25, then the ratio of their volumes is (a) 4:25 (b) 25:4 (c) 125:8 (d) 8:125

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

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