CBSE Class 10 Maths (Basic) 2025 · Paper 430/S/1 · Question 35

A tent is in the shape of a cylinder surmounted by a conical top of same radius. If the height and diameter of the cylindrical part are $2.1$ m and $4$ m respectively, and the slant height of the top is $2.8$ m, find the area of the canvas used for making the tent. Also, find the cost of the canvas of the tent at the rate of Rs. 500 per $m^2$.