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. 6360, what is the length of the plot in metres?  Pick
A) 333
B) 200
C) 240
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 = 6360   [4L - 40] = 6360 / 26.50= 
<gadget id="calculator">6360 / 26.50</gadget>
<output>240</output>
240   4L= 280   L = 280/4= 
<gadget id="calculator">280/4</gadget>
<output>70</output>
70 meters.   Answer: 240
<result>C</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. 6360, what is the length of the plot in metres?