Given: Cost of cultivating a square field at Rs.130/hectare is Rs.10530 Cost of fence around it at the rate = 0.66 paisa/m Concept: Area of surface =
total‌cost
rate‌of‌cost
Area of square = side2 Parameter of square = 4 × side Calculation: Area of surface =
10530
130
⇒ 81 hectare ∵ 1 hectare = 10,000m2 ⇒ 8,10,000 m2 Area of square = side2 ⇒ 810000 = side2 ⇒ Side = 900 m Parameter which to be fence = 4 × 900 m. Cost of fencing = 0.66 paisa/m. or (