) A rectangular lawn is 60 m by 30 m . It has two roads each 4 m wide running in the middle of it . One
parallel to the length and other parallel to the breadth. Find the area of the roads ? Also find cost of
leveling the roads at rate of Rs. 5 per m2
?
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Answer:
Given,
A rectangular lawn 60 meters by 40 meters has two roads each 5 meters wide running in the middle of it one parallel to length and the other parallel to breadth
Area of the road=40×5+60×5−5×5
=200+300−25
=475sqm
Given,
Cost of graveling the roads =60 paise per sq meter.
∴475×60paise
=28500 paise
=Rs.285
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