The area of a circular field is 13.86 hectares. Find the cost of fencing it at the rate of Rs. 4.90 per metre.	Choose the correct answer.
A) 2399  B) 3888  C) 2999  D) 5808  E) 6468
Explanation:   Area = (13.86 x 10000) sq.m = 138600 sq.m   Circumference =   Cost of fencing = Rs. (1320 x 4.90) = Rs. 6468.   Answer: 6468) 6468
<result>E</result>
The area of a circular field is 13.86 hectares. Find the cost of fencing it at the rate of Rs. 4.90 per metre.