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Solution - Frustum of a Cone

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Question

A container open at the top, is in the form of a frustum of a cone of height 24 cm with radii of its lower and upper circular ends, as 8 cm and 20 cm respectively. Find the cost of milk which can completely fill the container. at the rate of 21 per litre. [use π=22/7]

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Reference Material

Solution for concept: Frustum of a Cone. For the course 8th-10th CBSE
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