Manjit wants to donate a rectangular plot of land for a school in his village. When he was asked to give dimensions of the plot, he told that if its length is decreased by 50 m and breadth is increased by 50m, then its area will remain same, but if length is decreased by 10m and breadth is decreased by 20m, then its area will decrease by `5300m^(2)`
Based on the information given above, answer the following questions:

How much is the area of rectangular field?

Options

A. 150m
B. 400m
C. 200m
D. 320m

Answer

C