A rectangle having length 105 cm and width 40 cm. If the length of the rectangle is increased by twenty five percent then how much percent the breadth should be decreased so as to maintain the same area.
Answers
A) 25%  B) 19.23%  C) 40%  D) 75%  E) None of these
Explanation :   Solution: (25/(105+25) * 100)% = 19.23%   Answer : 19.23%
<result>B</result>
A rectangle having length 105 cm and width 40 cm. If the length of the rectangle is increased by twenty five percent then how much percent the breadth should be decreased so as to maintain the same area.