pyq/2016/csat/50

An agricultural field is in the form of a rectangle having length X1 meters and breadth X2 meters (X1 and X2 are variable). If X1 + X2 = 40 meters, then the area of the agricultural field will not exceed which one of the following values?

(A) 400 sq m

(B) 300 sq m

(C) 200 sq m

(D) 80 sq m