25. A metallic cylinder has radius 3 em and height 5 cm. To reduce its – InterviewSolution

1.	25. A metallic cylinder has radius 3 em and height 5 cm. To reduce itsweight, a conical hole is drilled in the cylinder. The conical hole has aradius of cm and its depth is % cm. Calculate the ratio of the volumeof metal left in the cylinder to the volume of metal taken out in conicalshape.
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