The diameters of two spheres are in the ratio 1:2 what is the ratio of their surface area?

Related Mcqs:

1. The diameters of two spheres are in the ratio 1:2 what is the ratio of their volumes?

   A. 3:4
   B. 9:16
   C. 1:8
   D. 4:3

2. Surface area of two spheres are in the ratio 1:4 what is the ratio of their volumes?

   A. 1:64
   B. 1:8
   C. 1:4
   D. 8:1

3. The areas of the two spheres are in the ratio 1: 4. The ratio of their volume is?

   A. 1:4
   B. 1:16
   C. 1:8
   D. 1:64

4. The ratio between the radii of two spheres is 1:3. Find the ratio between their volumes?

   A. 27:1
   B. 1:27
   C. 1:9
   D. 9:1

5. If the sides of two cubes are in the ratio 3: 1 the ratio of their total surface area is?

   A. 3:1
   B. 8:1
   C. 9:1
   D. 12:1

6. The volumes of two cubes are in the ratio 27: 125, what shall be the ratio of their surface areas?

   A. 6:25
   B. 3:5
   C. 9:25
   D. 16:25

7. The height of two right circular cones are in the ratio 1:2 and their perimeters of their bases are in the ratio 3:4, the ratio of their volume is_________?

   A. 3:8
   B. 9:16
   C. 9:32
   D. 9:64

8. The ratio of the volumes of two cubes is 729 : 1331. What is the ratio of their total surface areas?

   A. 81 : 121
   B. 9 : 11
   C. 729 : 1331
   D. 27 : 12

9. The number of solid spheres each of diameter 6 cm, that could be moulded to form a solid metal cylinder of height 45 cm and diameter 4 cm is?

   A. 3
   B. 4
   C. 5
   D. 6

10. The spherical ball of lead 3 cm in diameter is melted and recast into 3 spherical balls. The diameters of two of these are 1 ½ cm and 2 cm respectively. The diameter of third ball is?

    A. 2.66 cm
    B. 2.5 cm
    C. 3 cm
    D. 3.5 cm