If the cost of painting the total surface area of a cylinder at the rate of Rs. 8 per cm2 is Rs. 1320 and the ratio of height to the radius is 8 ∶ 7, then find the cost of metal that is used to make the given solid cylinder where the cost of metal is Rs. 10 per cm3
1
Rs. 1640
2
Rs. 1540
3
Rs. 1235
4
Rs. 1460
5
None of these