An error 1% 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 correct option
A) 2.01  B) 30.1  C) 3.01  D) 25.01  E) 4.05
Explanation:   100 cm is read as 101 cm.   2.011 =(100 × 100)cm2 = 10000   and 2.012= (101 × 101)cm2= 10609   (2.012 - 2.011) = 10201-10000= 
<gadget id="calculator">10201-10000</gadget>
<output>201</output>
201=&gt; 201/10000*100= 
<gadget id="calculator">201/10000*100</gadget>
<output>201/100 = around 2.01</output>
2.01   2.01nswer : 2.01
<result>A</result>
An error 1% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is: