CBSE Class 10 Maths (Standard) 2016 · Paper 30/2 · Question 15

In Fig. 5, a tent is in the shape of a cylinder surmounted by a conical top of same diameter. If the height and diameter of cylindrical part are $2.1$ m and $3$ m respectively and the slant height of conical part is $2.8$ m, find the cost of canvas needed to make the tent if the canvas is available at the rate of $\text{₹}500$/sq.metre. (Use $\pi =\frac{22}{7}$)