Wed February 27, 2013 By: Divyadutta Behura

A milk container is made of metal sheet in the shape of frustum of a cone whose volume is 10459 3/7cmcube.The radii of its lower and upper circular ends are 8 cm and 20 cm respectively. Find the cost of metal sheet used in making the container at the rate of Rs.1.40 per cm square.

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Thu February 28, 2013
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