Q. A rectangular field is 70m by 50m.It has two crossroads through its centre, running parallel to its sides. The width of both the roads is 1•5m.Find the area of the roads and the remaining portion of the field
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Area of the road parallel to the length= 70m×5m= 350m^2
Area of the road parallel to the breadth= 50m×5m=250m^2
Area of the portion of the road overlapping= 5m×5m=25m^2
Total area of the road= (350m^2 + 250m^2)- 25m^2 = 575m^2
Cost of construction= 120×575= Rs. 69,000
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