Arya starts cycling along the boundaries of the squares. She starts from a point A and after 90 minutes she reached to point C diagonally opposite to A. If she is travelling with 28km/hr, then find the area of square field.  Choose the correct choice
A) 125	B) 225	C) 325	D) 441	E) None of these
Explanation :   D = 28*3/2= 
<gadget id="calculator">28*3/2</gadget>
<output>42</output>
42 km. So side of square is 21km, so area – 441km^2   Answer – 441
<result>D</result>
Arya starts cycling along the boundaries of the squares. She starts from a point A and after 90 minutes she reached to point C diagonally opposite to A. If she is travelling with 28km/hr, then find the area of square field.