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A 115-m-long and 64-m-broad lawn has two...

A 115-m-long and 64-m-broad lawn has two roads at right angles, one 2 m wide, running parallel to its length, and the other 2.5 m wide, running parallel to its breadth. Find the cost of gravelling the roads at Rs.60 per `m^(2)`. 

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The correct Answer is:
Rs.23100
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