Sides of a rectangular park are in the ratio 3: 2 and its area is 2460sq m, the cost of fencing it at 50 ps per meter is? Options:
A) s.122 B) s.129 C) s.129.76 D) s.120 E) s.121
3x * 2x = 2460 =&gt; x = 20.24   2(79.76 + 50) = 259.52 m   259.52 * 1/2 = Rs.129.76   Answer:s.129.76
<result>C</result>
Sides of a rectangular park are in the ratio 3: 2 and its area is 2460sq m, the cost of fencing it at 50 ps per meter is?