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For a concrete sphere of radius R having...

For a concrete sphere of radius R having a cavity of radius r packed with sawdust, to float with its entire volume submerged under water what will be the ratio of mass of concrete to mass of sawdust ? Given the specific gravities of concrete and sawdust are respectively 2.4 and 0.3.

A

2

B

3

C

4

D

6

Text Solution

Verified by Experts

The correct Answer is:
C
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