Question

one metre wide path is built inside a square park of side 30m a long its sides the remaining part of the park is covered by grass if the total cost of covering by grass is ₹1126 find the rate per square meter at which the park is covered by the grass

Answer 1

sides of park excluding the footpath=30-2
area of park excluding footpath=28×28=784sqm
cost of covering with grass in 781sqm =₹1129
cost of covering with grass per m= 1129÷784=₹1.43