A bucket made up of a metal sheet is in ...

A bucket made up of a metal sheet is in the form of frustum of a cone. Its depth is 24 cm and the diameters of the top and bottom are 30 cm and 10 cm respectively. Find the cost of milk which can completely fill the bucket at the rate of ₹ 20 per litre adn the cost of metal sheet used if it costs ₹ 10 per `100cm^(2)`. [ Use `pi=3.14`.]

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The correct Answer is:

`₹ 163.28, ₹ 171.13`

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RS AGGARWAL-VOLUME AND SURFACE AREAS OF SOLIDS-Exercise 17C

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