The percentage increase in the area of rectangle , if each of its side is increased by 20% is? Options:
A) 30%
B) 44%
C) 50%
D) 55%
E) 60%
Let original length = x meters   original breadth = y meters   original area = xy m^2   New length = 120x/100   New breadth = 120y/100 = 6y/5   New area = 6x/5 * 6y/5 = 36xy/25 m^2   Increase percent = 11xy/25 * 1/xy *100 = 44%   Answer is 44%
<result>B</result>
The percentage increase in the area of rectangle , if each of its side is increased by 20% is?