Find the cost of fencing around a circular field of diameter 28 m at the rate of Rs.1.50 a meter?  Choose the correct choice:
A) rs . 150  B) rs . 132  C) rs . 100  D) rs . 125  E) rs . 225

Rationale: 2 * 22 / 7 * 14 = 88 88 * 1 1 / 2 = rs . 132 answer : b
Answer: B