A rectangular grass field is 75 m $\times$ 55 m, it has a path of 2.5 m wide all round it on the outside. Find the area of the path and the cost of constructing it at Rs.2 per sq m?
675, Rs.1350
575, Rs.1350
1350, Rs.675
None
Explanation:
Area =$\left (l + b +2d\right)$ 2d
= (75 + 55 +2.5 $\times$ 2) 2$\times$2.5 => 675
675 $\times$ 2 = Rs.1350