What will be the cost of gravelling the road in a rectangular field of 55 m by 35 M has roads each 4m wide running in the middle of it to 1 parallel to length and the other parallel to breadth if the cost is ₹7.50 pm square meter?
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area of cross roads = 55*4 + 35*4 - 4*4 = 344sq m
cost of graveling = 344 * (75/100) = Rs. 258
cost of graveling = 344 * (75/100) = Rs. 258
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