Arithmetichard · Past Paper
The ratio of the volume of a sphere to the volume of a cylinder which has the same radius and height equal to the diameter of the sphere is:
A2:3
B3:2
C4:3
D1:2
✓ Correct Answer: A — 2:3
Sphere Vol = (4/3)pi*r^3. Cylinder Vol = pi*r^2*(2r) = 2pi*r^3. Ratio = (4/3) / 2 = 2/3.
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