What will be the cost of building to decorate which area equal to 225 sq ft, if the price per foot of building is Rs. 5?  Select the correct option
A) 300 B) 150 C) 600 D) 1200 E) 800
Let the side of the square plot be a ft.   a2 = 225 =&gt; a = 15   Length of the fence = Perimeter of the plot = 4a = 60 ft.   Cost of building the fence = 60 * 5   = Rs.300.   300nswer: 300
<result>A</result>
What will be the cost of building to decorate which area equal to 225 sq ft, if the price per foot of building is Rs. 5?