MATHEMATICS · Single correct · CBSE · Mathematics · Surface Areas and Volumes · Surface Areas and Volumes
Problem
A right circular cylinder has radius 2m and height 7m. The curved surface is painted at Rs 15 per square metre, while each of its two circular bases is painted at Rs 35 per square metre. Find the total painting cost. Take π=722.
(a) Rs 1760
(b) Rs 3080
(c) Rs 2200
(d) Rs 2100