The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is: Choose the correct choice from the following choices:
A) 32%
B) 34%
C) 42%
D) 44%
E) 54%
Explanation:   Let original length = x metres and original breadth = y metres.   Original area =xy m2New Length =120/100x=6/5x   New Breadth =120/100y=6/5y   =&gt;New Area =6/5x∗6/5y   =&gt;New Area =36/25xy   Area 44%ifference=36/25xy−xy   =11/25xy   Increase%=44%iffernce/Actual∗100   =11xy/25∗1/xy∗100=44%   ANSWER IS 44%
<result>D</result>
The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is: