The side of a square is increased by 5% then how much % does its area increases?
Choose the most appropriate option
A) 15.00 %
B) 10.25 %
C) 10.00 %
D) 12.25 %
E) 12.50 %

Rationale: "a = 100 a 2 = 10000 a = 105 a 2 = 11025 - - - - - - - - - - - - - - - - 10000 - - - - - - - - - 1025 100 - - - - - - - ? = > 10.25 % answer : b"
Answer: B