1.

A hollow cylinder has solid hemisphere inward at one end and on the other endĹ it is closed with a flat circular plate. The height of water is 10 cm when flat circular surface is downward. Find the level of water, when it is inverted upside down, common diameter is 7 cm and height of the cylinder is 20 cm.

Answer»


Answer :`12 (1)/(3) CM = 12 .33 cm`


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