CBSE Class 10 Maths (Standard) 2019 · Paper 30(B) · Question 30
A container is in the form of a frustum of a cone of height cm and the radii of its lower and upper ends are cm and cm respectively. Find the cost of milk which can completely fill the container at the rate of ₹ per litre. (Use )
Answer
The container holds about litres, so the cost of the milk is approximately ₹.
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