Read the text carefully and answer the questions:
Mohan wants to donate a rectangular plot of land for a hospital in his village. When he was asked to give dimensions of the plot, he told that if its length (x) is decreased by 50 m and breadth (y) is increased by 50 m, then its area will remain same, but if length is decreased by 10 m and breadth is decreased by 20 m, then its area will decrease by 5300 m2.
The value x is:
Answer & explanation
Correct answer: option 3
$x-y = 50$ .....(1)
$2x-y = 550$ .....(2)
eq(1) + eq(2)
$\Rightarrow 3x = 600$
$x = 200$
Option: 3