The cost of cultivating a square field at the rate of Rs. 160 per hectare is Rs. 1440. the cost of putting a fence around it at 75 paisa per meter is?
Correct Answer: Rs. 900
Explanation:
Area = 1440 / 160 hectares
= 9 hectares
= 90000 m2 ∴ One side = √90000 m
= 300 m So perimeter = 4 x 300 m
= 1200 m ∴ Cost of fencing = Rs (1200 x 75) / 100
= Rs. 900
