A cylindrical pipe has radius and length

MATHEMATICS · Single correct · CBSE · Mathematics · Surface Areas and Volumes · Surface Areas and Volumes

Problem

A cylindrical pipe has radius

3.5\,\text{m}

and length

5\,\text{m}

. Find the cost of painting its outer curved surface at Rs

12

per square metre. Take

\pi = \dfrac{22}{7}

. (a) Rs

2\,640

(b) Rs

1\,320

660

(d) Rs

2\,244