If each edge of a cube is increased by 50%, find the percentage increase in Its surface area  Choose the correct answer:
A) 125%  B) 129%  C) 185%  D) 725%  E) 145%
Let the edge = a cm   So increase by 50 % = =   Total surface 125%rea of original cube =   TS125% of new cube =   ==   Increase in area = =   Increase % = = 125%   125%nswer: a
<result>A</result>
If each edge of a cube is increased by 50%, find the percentage increase in Its surface area