![Q9 A road roller takes 750 complete revolutions to move once over to level a road Find the area of t... Q9 A road roller takes 750 complete revolutions to move once over to level a road Find the area of t...](https://d39460vivz6red.cloudfront.net/questions/M-BB-NCERT8-CH11-EX11P3-Q9/images/1_1592316775715.jpeg)
Q9 A road roller takes 750 complete revolutions to move once over to level a road Find the area of t...
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![The diameter of a roller, 120 cm long, is 84 cm. If it takes 500 complete revolutions to level a - YouTube The diameter of a roller, 120 cm long, is 84 cm. If it takes 500 complete revolutions to level a - YouTube](https://i.ytimg.com/vi/aDN16s_5BvE/maxresdefault.jpg)
The diameter of a roller, 120 cm long, is 84 cm. If it takes 500 complete revolutions to level a - YouTube
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