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CBSE Class 10 Answered

A bucket is in the form of a frustum of a cone with a capacity of 12308.8 cm3 of water. The radii of the top and bottom circular ends are 20 cm and 12 cm respectively. Find the height of the bucket and the area of the metal sheet used in its making.
Asked by Topperlearning User | 27 Jul, 2017, 03:16: PM
answered-by-expert Expert Answer

Answered by | 27 Jul, 2017, 05:16: PM

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A container, open from the top and made up of a metal sheet, is in the form of a frustum of a cone of height 16 cm with radii of its lower and upper ends as 8 cm and 20 cm respectively. Find the cost of milk which can completely fill the container at the rate of Rs.20/ litre. Also find the cost of metal sheet used to make the container if it costs Rs. 8 per 100 cm2.
Asked by Topperlearning User | 27 Jul, 2017, 03:16: PM
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