Question

A milk tank is in the form of a frustum of a cone of height 3 m with diameter of its
upper and lower ends as 20 m, 12 m respectively, find the cost of milk which can fill
the tank completely at the rate of $25 per litre.
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Answer 1

volume of a cone=22/7×10×6×3/3. m³=1320/7 m³=188.6 m³=188600 L

per liter milk costs=25 ruppes

188600 L milk costs=188600×25 ruppes=4715000 ruppes

Answer 2

Answer:

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