Find the cost of fencing around a circular field of diameter 26 m at the rate of Rs.1.50 a meter? Pick one:
A) 122.55
B) 132
C) 156
D) 158
E) 267

Rationale: "2 * 22 / 7 * 13 = 81.7 81.7 * 1 1 / 2 = rs . 122.55 answer : a"
Answer: A