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Area of a Circle

A solid cylin...

Question

A solid cylinder with a conical cavity as shown in the figure is melted and cast into 4 identical solid spheres. What is the ratio of the radius of one sphere and that of the given solid?

A

1:2

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B

1:3

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C

1:4

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D

1:8

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Solution

The correct option is A 1:2

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