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.5300, what is the length of the plot in metres? Options
A) 55  B) 60  C) 65  D) 70  E) 75
Length of the fence =530026.50=200 m   ⇒ 2(length + breadth)=200 m   ⇒ 2(breadth + 20 + breadth)=200 m (∵ length = breadth+20)   ⇒ breadth + 20 + breadth =100 m   ⇒ breadth =40 m   length =40+20= 
<gadget id="calculator">40+20</gadget>
<output>60</output>
60 m   Answer is 60.
<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.5300, what is the length of the plot in metres?