A 3m wide road is all around on the outside of a 125m long and 60m wide garden. Find the cost of repairing the road at the rate of 150rs meter square.
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Step-by-step explanation:
Area of garden = 125*60 = 7500 m^2
Area of outer region = (125+6)(60+6)
= (131)*(66)= 8646m^2
Area of road = 8646 - 7500
= 1146 m^2
Cost of repairing road = 1146*150
= Rs 171900
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