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?
Rs.150
Rs.100
Rs.125
Rs.175
Explanation:
3x $\times$ 2x = 3750 => x = 25
2(75 + 50) = 250 m
250 $\times$ 1/2 = Rs.125