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An open container made up of a metal sheet is in the form of frustum of a cone of height 8 cm with radil of itslower and upper ends as 4 cm and 10 cm, respectively.Find the cost of oil which can completely filled thecontainer at the rate of 50 per L. Also, find the cost ofmetal used, if it costs 50 per 100 cm |
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Answer» €£₹₩$&%@×+÷=/_)(?!;:"'Z |
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