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'.

Problem: there were two candidates in an election . winner candidate received 62 % of votes and won the election by 324 votes . find the number of votes casted to the winning candidate ? 
Options: a ) 456 , b ) 837 , c ) 912 , d ) 1200 , e ) 1400
b

Problem: if 45 % of z is 96 % of y and y is 75 % of x , what percent of x is z ? 
Options: a ) 200 , b ) 160 , c ) 100 , d ) 65 , e ) 50
b

Problem: in town x , 90 percent of the population are employed , and 20 percent of the population are employed males . what percent of the employed people in town x are females ? 
Options: a ) 16 % , b ) 66 % , c ) 77 % , d ) 88 % , e ) 52 %

c