Mathematics

Problem

A right circular cylinder has radius

2\,\text{m}

and height

7\,\text{m}

. 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

\pi = \dfrac{22}{7}

. a) Rs

1\,760

b) Rs

3\,080

c) Rs

2\,200

d) Rs

2\,100