Find the cost of fencing around a circular field of diameter 20 m at the rate of Rs.1.50 a meter?
Pick one.
A) 287
B) 94.2
C) 156
D) 158
E) 267
2 * 22/7 * 10 = 62.8   62.8 * 1 1/2 = Rs.94.2   Answer: 94.2
<result>B</result>
Find the cost of fencing around a circular field of diameter 20 m at the rate of Rs.1.50 a meter?