Question 132

A tall rectangular vessel is half filled with water. The base dimension of the vessel is 62 cm x 45 cm. A heavy metal cube of edge 15 cm is dropped into the vessel. The rise in level of the vessel is:

Solution

Let,say x is the rise level of the cube.

So, Volume of the water that would be filled

$$=62×45× x. $$

Volume of the cube$$=15×15×15=3375cm^3.$$

So, $$62×45×x =3375$$

or, $$X= 1.21(approx).$$

So, A is correct choice.

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