3. Two cylinders have their radii in the ratio 3: 1but their heights a – InterviewSolution

1.	3. Two cylinders have their radii in the ratio 3: 1but their heights are in the ratio 1:3. Comparetheir volumes.A 14-cm-long electric pipe has external andinternal radii, respectively, as 5 cm and 3 cm.Find the volume of the electric pipe.
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