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A solid sphere of radius 3 cm is melted ...

A solid sphere of radius 3 cm is melted to form a hollow right circular cylindrical tube of length 4 cm and external radius 5 cm. The thickness of the tube is

A

1 cm

B

9 cm

C

0.6 cm

D

1.5 cm

Text Solution

Verified by Experts

The correct Answer is:
A
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