Find the cost of fencing around a circular field of diameter 42 m at the rate of Rs.5 a meter? Choose the correct choice from the following answers.
A) 655.9	B) 659.75	C) 650.57	D) 655.9	E) 600.3

Rationale: "2 * 22 / 7 * 14 = 131.95 131.95 * 5 = rs . 659.75 answer : b"
Answer: B