a road roller is in the shape of a cylinder having diameter 98cm and length 120cm. The road roller takes 600 revolutions to level a road. Find the length of the road if the breadth is 3.5m?
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Given that and Area covered by the roller in one revolution=Curved Surface Area of the road roller. Area covered by the roller in revolutions Cost of levelling per Rs. Thus, cost of levelling the play ground Rs..
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