Find the cost of fencing around a circular field of diameter 36 m at the rate of Rs.3.50 a meter? Choose the correct choice from the following options.
A) 438  B) 395  C) 378  D) 279  E) 222
2 * 22/7 * 18 = 113   113 * 3 1/2   = Rs.395   Answer: 395
<result>B</result>
Find the cost of fencing around a circular field of diameter 36 m at the rate of Rs.3.50 a meter?