The area of a square field is 16 hectares. Find the cost of fencing it with a wire at Rs. 2 per metre.

The area of a square field is 64 hectares .Find the cost of fencing it with wire at Rs. 21.50 per metre .

The area of a circular field is 13.86 hectares. Find the cost of fencing it at the rate of Rs 4.40 per metre.

The area of a circular field is 2464 m^(2) . Find the cost of fencing it at the rate of Rs. 6.50 per metre .

The area of a circular field is 124.74 hectares . The cost of fencing it at the rate of 80 paise per metre is :

The length and breadth of a rectangular field are in the ratio 3:2. If the area of the field is 3456\ m^2 , find the cost of fencing the field at Rs. 3.50 per metre.