An agricultural field is in the form of a rectangle having length $X_1$ meters and breadth $X_2$ meters ( $X_1$ and $X_2$ are variable). If $X_1 + X_2 = 40$ meters, then the area of the agricultural field will not exceed which one of the following values ?

400 sq m

300 sq m

200 sq m

80 sq m

Kepler. Discussing PYQs. Q.no. 50

An agricultural field is in the form of a rectangle having length X1X_1X1​ meters and breadth X2X_2X2​ meters ( X1X_1X1​ and X2X_2X2​ are variable). If X1+X2=40X_1 + X_2 = 40X1​+X2​=40 meters, then the area of the agricultural field will not exceed which one of the following values ?