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Volume of Hollow Cylinder

A cube is hal...

Question

A cube is half submerged inside a cubical tank filled with water. The side ratio of the cube to the tank is 1 : 2. The cube is now pressed so that water level rises up by 10% of the dimension of the cube. How much part of the cube is left unsubmerged?

A

10%

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B

20%

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C

30%

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D

40%

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Solution

The correct option is A 10%

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