Question

a rectangular lawn is 75m by 60m has two roads each 4 m wide running through the middle of the lawn one parallel to length and other parallel to the breadth. find the cost of gravelling the road at Rs 5.50 per m square

Answer 1

area of road ={ (75×4)+(60×4)} -(4×4)
=(300+240)-16=540-16=524m2

now cost= 524×5.50=rs 2882