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: jackie has two solutions that are 2 percent sulfuric acid and 12 percent sulfuric acid by volume , respectively . if these solutions are mixed in appropriate quantities to produce 60 liters of a solution that is 10 percent sulfuric acid , approximately how many liters of the 12 percent solution will be required ? 
Options: a ) 18 , b ) 20 , c ) 48 , d ) 36 , e ) 42
[A]: c


[Q]: Problem: the profits of qrs company rose 20 % from march to april , then dropped 20 % from april to may , then rose 50 % from may to june . what was the percent increase for the whole quarter , from march to june ? 
Options: a ) 15 % , b ) 32 % , c ) 44 % , d ) 62 % , e ) 80 %
[A]: c


[Q]: Problem: thirty percent of the women in a college class are science majors , and the non - science majors make up 80 % of the class . what percentage of the men are non - science majors if 40 % of the class are men ? 
Options: a ) 2 % , b ) 5 % , c ) 28 % , d ) 30 % , e ) 95 %
[A]:
e