If the length of a rectangle is doubled and its breadth is tripled, what is the percentage change in its area?	Select
A) 200% increase
B) 345% increase
C) 400% increase
D) 125% increase
E) 25% decrease
Length is halved.   i.e., length is increased by 200%   Breadth is tripled   i.e., breadth is increased by 200%   400% increasehange in area=(−200+200+(200×200)/100)%=400%   i.e., area is increased by 400%   ANSWER:400% increase
<result>C</result>
If the length of a rectangle is doubled and its breadth is tripled, what is the percentage change in its area?