rectangular lawn 70 m by 50 m has two roads each 5 m wide, running through its middle. One road is parallel to its length and other is parallel to its breadth. Find the area of roads and the cost of gravelling the roads at ₹ 60 per m
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A rectangular lawn 70 m by 50 m has two roads, each 5 m wide, running through its middle, one parallel to its length and other parallel to its breadth. ... ∴ Cost of constructing roads at Rs120 per m2=575∗120=69000 Rs.18-Feb-2020
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