A rectangle having length 120 cm and width 50 cm. If the length of the rectangle is increased by ten percent then how much percent the breadth should be decreased so as to maintain the same area.  Choose the correct choice from the following options:
A) 25%	B) 33.33%	C) 40%	D) 7.69%	E) None of these
Explanation :   Solution: (10/(120+10) * 100)% = 7.69%   Answer : 7.69%
<result>D</result>
A rectangle having length 120 cm and width 50 cm. If the length of the rectangle is increased by ten percent then how much percent the breadth should be decreased so as to maintain the same area.