A bucket made up of a metal sheet is in the form of a frustum of a cone of height \( 16 \mathrm{...

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A bucket made up of a metal sheet is in the form of a frustum of a cone of height \( 16 \mathrm{~cm} \) with diameters of its lower and upper ends as \( 16 \mathrm{~cm} \) and \( 40 \mathrm{~cm} \) respectively. Find the volume of the bucket. Also, find the cost of the bucket if the cost of metal sheet used is \( ₹ 20 \) per \( 100 \mathrm{~cm}^{2} \). (Use \( \pi=3.14 \) )
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