In this task, you need to answer the given multiple-choice question on the gain. Gain is the value by which to multiply the input. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

[Q]: Problem: an error 2 % in excess is made while measuring the side of a square . the percentage of error in the calculated area of the square is : 
Options: a ) 1.04 , b ) 2.04 , c ) 3.04 , d ) 4.04 , e ) none of these
[A]: d


[Q]: Problem: an article is bought for rs . 980 and sold for rs . 788 , find the loss percent ? 
Options: a ) 16 % , b ) 19 % , c ) 17 % , d ) 13 % , e ) 12 %
[A]: b


[Q]: Problem: a small company reduced its faculty by approximately 13 percent to 263 employees . what was the original number of employees ? 
Options: a ) a ) 182 , b ) b ) 208 , c ) c ) 220 , d ) d ) 224 , e ) e ) 302
[A]:
e