A rectangular plot of land is 300m long and 250m board. It has two roads ,each3 metres wide running midway within it one parallel to the length and the other parallel roads at ₹50per square metre.
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area of road along the length is =3×300=900 m square
area of rod along the breadth is=3×250=750 m square
in the middle the road intersect area of common part=3×3=9 m square
so total area of road=900+759-9=1641 m square
cost =50×1641=82050
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