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Question

A conical vessel with base radius 10cm. contains some water in it. The water level in the vessel is 18cm high. It is pored into another cylindrical vessel with a radius 5cm. Find the water level in the cylindrical vessel.

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Solution

Base radius of conical vessel (R)=10cm
And the height (H)=18cm
Volume of conical vessel =13πR2H
=13×π×(10)2×18
=π×100×6
=600πcm3
Let the water lavel in the cylindrical vessel be h.
Radius (r)=5cm
Now according to the problem Volume of water in the cylindrical vessel = Volume of water in conical vessel
πr2h=600π
or r2h=600
(5)2h=600
25h=600
h=60025
=24cm
Hence the water level in the cylindrical vessel =24cm.

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