The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ Rs. 26.50 per metre is Rs. 6625, what is the length of the plot in metres?
Options.
A) 333 B) 250 C) 288 D) 276 E) 1999
Let length of plot = L meters, then breadth = L - 20 meters   and perimeter = 2[L + L - 20] = [4L - 40] meters   [4L - 40] * 26.50 = 6625   [4L - 40] = 6625 / 26.50= 
<gadget id="calculator">6625 / 26.50</gadget>
<output>250</output>
250   4L= 290   L = 240/4= 72.5 meters.   Answer: 250
<result>B</result>
The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ Rs. 26.50 per metre is Rs. 6625, what is the length of the plot in metres?