Question

The cost of fencing a square field at 40 paise per metre is RS.2000.Find the cost of watering the field at 80 paise per 100 m²

Answer 1

Answer:

12500 Rs.

Explanation:

Let the side of square be a.

Perimeter of the Square=200000/40=5000 m

4×a=5000

a=5000/4

a=1250 m

area of square field=a²=(1250)²=1562500 m²

cost of watering the field at 1 m²=0.8/100=0.008 Rs.

cost of watering the field at 1562500 m²=0.008×1562500=12500 Rs.