An error 3% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is	Choose the most appropriate option
A) 6.04 %	B) 6.14 %	C) 6.23 %	D) 6.26 %	E) 6.09 %

Rationale: "100 cm is read as 102 cm . a 1 = ( 100 x 100 ) cm 2 and a 2 ( 103 x 103 ) cm 2 . ( a 2 - a 1 ) = [ ( 103 ) 2 - ( 100 ) 2 ] = ( 103 + 100 ) x ( 103 - 100 ) = 609 cm 2 . percentage error = 6.09 e"
Answer: E