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In a hollow cylinder, the sum of the ext...

In a hollow cylinder, the sum of the external and internal radii is 14 cm and the width is 4 cm. If its height is 20 cm, the volume of the material in it is

A

`5600 pi cm^(3)`

B

`11200 pi cm^(3)`

C

`56 pi cm^(3)`

D

`3600 pi cm^(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
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