461.Two cylindrical cans have equal base areas. The diameter of each is 56 cm. If one of the can is 15 cm high and the other is 20 cm high, find the ratio of their volumes.
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462.
The radii of two cylinders are in the ratio 4 : 3. Find the ratio of their volumes, if the heights are taken to be the same.
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463.The radii of two cylinders are in the ratio 2:3 and their heights are in the ratio 5:3. Find the ratio of their volumes.
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464.The ‘volumes’ of two cones are in the ratio 2:3 and the ratio between their radii is also 2:3 Find the ratio between their heights.
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465.The volumes of two right circular cones are in the ratio 3:5 and their heights are in the ratio 5:3. Find the ratio between their radii.