12. A 115-m-long and 64-m-broad lawn has two roads at right angles one – InterviewSolution

1.	12. A 115-m-long and 64-m-broad lawn has two roads at right angles one 2 m wide, runningparallel to its length, and the other 2.5 m wide, running parallel to its breadth. Fud thecost of gravelling the roads at 60 per m2
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