What will be the cost of building a fence around a square plot with area equal to 289 sq ft, if the price per foot of building the fence is Rs. 56?
Pick.
A) 3944
B) 920
C) 3808
D) 6928
E) 3729
Explanation:   Let the side of the square plot be a ft.   a2 = 289 =&gt; a = 17   Length of the fence = Perimeter of the plot = 4a = 68 ft.   Cost of building the fence = 68 * 56 = Rs. 3808.   Answer: Option 3808
<result>C</result>
What will be the cost of building a fence around a square plot with area equal to 289 sq ft, if the price per foot of building the fence is Rs. 56?