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.
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