If the length of a rectangle is halved and its breadth is tripled, what is the percentage change in its area?	Choose the correct choice from the following choices.
A) 25% increase  B) 25% decrease  C) 50% increase  D) 50% decrease  E) None
Explanation:   Length is halved.   i.e., length is decreased by 50%50%   Breadth is tripled   i.e., breadth is increased by 200%200%   Change in area   =(−50+200−50×200/100)%=50%   i.e., area is increased by 50%   Answer: Option 50% decrease
<result>D</result>
If the length of a rectangle is halved and its breadth is tripled, what is the percentage change in its area?