Q. 154.5( 6 Votes )

# A conical flask is full of water. The flask has base-radius r and height h. The water is poured into a cylindrical flask of base-radius rm. Find the height of water in the cylindrical flask.

Answer :

Volume of conical flask = πr^{2}h

∵ Volume of water in cylindrical flask = volume of conical flask

∴ π(rm)^{2}h’ = πr^{2}h

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PREVIOUSRain water, which falls on a flat rectangular surface of length 6 m and breadth 4 m is transferred into a cylindrical vessel of internal radius 20 cm. What will be the height of water in the cylindrical vessel if a rainfall of 1 cm has fallen? NEXTA rectangular tank 15 m long and 11 m broad is required to receive entire liquid contents from a full cylindrical tank of internal diameter 21 m and length 5 m. find the least height of the tank that will serve the purpose.

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