Mensurationhard · Past Paper
The ratio of the radii of two spheres is 2:3. What is the ratio of their volumes?
A4:9
B2:3
C8:27
D16:81
✓ Correct Answer: C — 8:27
Volume of sphere is proportional to r^3. Ratio = 2^3 : 3^3 = 8:27.
Share this question
More from Mensuration
- A cube has a surface area of 150 cm^2. What is its volume?
- A well is dug with 14 m diameter and 10 m depth. What is the volume of earth removed?
- If the height of a cylinder is doubled and the radius is halved, the new curved surface area will be:
- The capacity of a cubical tank is 27000 liters. Find the length of its side in meters.
- If the side of a square base of a pyramid is 6 cm and its slant height is 10 cm, find its lateral surface area.