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'.

[EX Q]: Problem: the effective annual rate of interest corresponding to a nominal rate of 6 % per annum payable half - yearly is : 
Options: a ) 6.09 % , b ) 6.08 % , c ) 6.1 % , d ) 6.07 % , e ) 6.05 %
[EX A]: a

[EX Q]: Problem: increasing the original price of an article by 6 percent and then increasing the new price by 6 percent is equivalent to increasing the original price by 
Options: a ) 12.1 % , b ) 12.36 % , c ) 12.94 % , d ) 13.65 % , e ) 14.56 %
[EX A]: b

[EX Q]: Problem: the salary of a person was reduced by 35 % . by what percent should his reduced salary be raised so as to bring it at par with his original salary ? 
Options: a ) 50 % , b ) 32 % , c ) 25 % , d ) 54 % , e ) 29 %
[EX A]:
d