If each side of a rectangle is increased by 100%, by what % the area increases?	Pick one.
A) 100 % B) 200 % C) 250 % D) 300 % E) 400 %

Rationale: if length is l and width is b then area = l * b now new l and b is 2 l and 2 b respectively . so new area is = 4 * l * b % increase = 300 % answer : d
Answer: D