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Deepak Bora
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Asked: 2020-08-29T23:27:26+05:30 In:

A milk container is made of metal sheet in the shape of frustum of a cone whose volume is 1045937 cm³ . 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 1.40 per cm².

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This question was asked in 2010 cbse board exam. Question from RS Aggarwal book chapter volume and surface area of solid, page number 829, exercise 17D, problem number 38

cbse class 10thexercise 17dncert class 10thrs aggarwalvolume and surface area of solid
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