Question

a path 1.5m wide is running outside a rectangular plot of grass 30m by 20m determine the arra of the patn and also the cost For paving it at the rate of 12per square meter

Answer 1

Area of path = (30+2*1.5)*(20+2*1.5) - 30*20 = 759 - 600 = 159 square meters
Cost = Rs 159*12 = Rs 1908