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. 57?
Pick one:  A) 3944  B) 920  C) 7290  D) 3876  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 * 57 = Rs. 3876.   Answer: Option 3876
<result>D</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. 57?