* A rectangular plot of land is 300 m long and 250 m broad. It has two roads, tad
3 metres wide running midway within it one parallel to the length and the other paralle
to the breadth. Find the area of the roads. Also calculate the cost of constructing the
roads at 50 per square metre.
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Answer:
Area of road the length =3×300
=900m^2
Area of road along the breadth =3×250=750m^2
In the middle the road intersects area of common part=3×3=9m^2
Total area of the road =900+750-9
=1641m^2
Cost= rs. 50×1641
=rs. 82050
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