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A rectangular lawn is 60 m by 40 m and h...

A rectangular lawn is 60 m by 40 m and has two roads. each 5 m wide running in the middle of it, one parallel to its length and the other parallel to the breadth, as shown in the figure. Find the cost of constructing the roads at Rs. 80 per `m^(2)`.

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The correct Answer is:
Rs. 38000.
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