A container, open from the top and made up of a metal sheet, is in the form of a frustum of a cone of height 16 cm with radii of its lower and upper ends as 8 cm and 20 cm respectively. Find the cost of milk which can completely fill the container at the rate of Rs.20/ litre. Also find the cost of metal sheet used to make the container if it costs Rs. 8 per 100 cm2.

Asked by Topperlearning User | 27th Jul, 2017, 03:16: PM

Expert Answer:

Answered by  | 27th Jul, 2017, 05:16: PM