Sides of a rectangular park are in the ratio 3: 2 and its area is 3750 sq m, the cost of fencing it at 50 ps per meter is?  Choose the correct choice from the following choices:
A) Rs.128  B) Rs.129  C) Rs.125  D) Rs.198  E) Rs.120
3x * 2x = 3750 =&gt; x = 25   2(75 + 50) = 250 m   250 * 1/2   =Rs.125   Answer:Rs.125
<result>C</result>
Sides of a rectangular park are in the ratio 3: 2 and its area is 3750 sq m, the cost of fencing it at 50 ps per meter is?