Mathematics

Problem

An open cylindrical drum has an internal radius of 0.5 m and a height of 1.2 m. Tin sheet costs ₹150 per m

^{2}

and 8\% extra sheet is required for wastage. Approximately how much money is needed to make the drum? a) ₹724 b) ₹866 c) ₹738 d) ₹683