15. A container, open from the top is made up of a metal sheet in the – InterviewSolution

1.	15. A container, open from the top is made up of a metal sheet in the formof frustum of a cone of height 30 cm with radi 50 cm and 10cm. Findthe cost of the milk which can completely fill the container at the rate of30 per lite. (r 3.14)
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