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25. A metallic cylinder has radius 3 cm and height 5 cm. To reduce itsweight, a conical hole is drilled in the cylinder. The conical hole has aradius of 32 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 conical[CBSE 2015)shape.

Answer»

it's wrong answer is 1463:22



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