![A cylindrical shaped roller has a diameter of 1.1 m. and length of 1.667m. if the speed at which the roller rolls is 10.5](https://www.gkseries.com/blog/wp-content/uploads/2024/03/A-cylindrical-shaped-roller-has-a-diameter-of-1.1-m.-and-length-of-1.667m.-if-the-speed-at-which-the-roller-rolls-is-10.5.jpg)
A cylindrical shaped roller has a diameter of 1.1 m. and length of 1.667m. if the speed at which the roller rolls is 10.5 revolutions per minute, then the maximum area (in m²) that it can role in an hour is
(a) 3520
(b) 3740
(c) 3630
(d) 3850
Sol:
![](https://www.gkseries.com/blog/wp-content/uploads/2024/03/image-64-1024x555.png)