Question

a plot measures 120 m by 80m.it has a road all round the plot having a uniform width of 8m.find the area of the road and the cost of levelling it at of rate of rs.3 per square metre?

Answer 1

Area of plot = 120×80 = 9600 m sq
Area of plot with roads = 136×96 = 13056
Area of roads = ar plot - ar plot with roads
= 13056 - 9600 = 3456 m sq
Cost = Area × Rate
= 3456 × 3
10368₹