1. If the surface areas of two spheres are in ratio 16 : 9, then their volumes will be in the ratio:

2. A cylinder, a cone and a hemisphere are of equal base and have the same height. What is the ratio of their volumes?

3. If the area of three adjacent faces of cuboid are X, Y and Z respectively, then the volume of cuboid is:

4. The volumes of two spheres are in the ratio 27 : 8. The ratio of their curved surface is:

5. The ratio of the volumes of two spheres is 8 : 27. If r and R are the radii of spheres respectively, then (R - r): r is:

6. The radii of two cylinders are in the ratio 2 : 3 and their heights are in the ratio 5 : 3. The ratio of their volumes is:

7. If the radius of base of a right circular cylinder is halved, keeping the height same, the ratio of the volume of the reduced cylinder to that of the original cylinder is:

8. If the volumes of a cube is 1728 cm³, the length of its edge is equal to:

9. The volume (in cm³) of the largest right circular cone that can be cut off from a cube of edge 4.2 cm is: .

10. The circumference of the edge of hemispherical bowl is 132 cm. When π is taken as \(\frac{22}{7}\), the capacity of bowl in cm³ is: