A cost of cultivating a square field at a rate of ₹ 135 per hectare is ₹ 1215. The cost of putting a fence around it at the rate of 75 paise per meter wouldbe
Correct Answer: ₹ 900
Explanation:
Area of the field =1215/135 = 9 hec
= 90000 m2 [1 hec =10000 m2]
∴ Side of the field = √90000 = 300 m
Perimeter of the field = 4 x 300 = 1200 m Now, cost of putting a fence around field = (1200 x 75)/100 = ₹ 900
