A solid right-circular cone of height 60 cm and radius 30 cm is dropped in a right- circular
cylinder full of water of height 180 cm and radius 60 cm. Find the volume of water left in
the cylinder, in cubic metres
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Volume of cylinder= πr^2h
=22/7×60×60×180 =2036571.43 cc.
Volume of the cone =1/3×22/7×900×60= 56571.43 cc.
Hence ,
Volume of water= (2036571.43-56571.43) cc.
= 1980000 cc.
=1980 cubic dm.=1980 litres.
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