Sides of a rectangular park are in the ratio 3: 2 and its area is 2400 sq m, the cost of fencing it at 50 ps per meter is?  Choose the correct choice from the following choices:
A) 287
B) 100
C) 125
D) 988
E) 271
3x * 2x = 2400 =&gt; x = 20   2(60 + 40) = 200 m   200 * 1/2 = Rs.100   Answer: 100
<result>B</result>
Sides of a rectangular park are in the ratio 3: 2 and its area is 2400 sq m, the cost of fencing it at 50 ps per meter is?