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: last year sandy saved 6 % of her annual salary . this year , she made 10 % more money than last year , and she saved 9 % of her salary . the amount saved this year was what percent of the amount she saved last year ? 
Options: a ) 140 % , b ) 152 % , c ) 165 % , d ) 176 % , e ) 190 %
[A]: c


[Q]: Problem: at an election 2 candidates are participated and a candidate got 20 % of votes and defeated by 500 . and 10 votes are invalid . find the total polled votes ? 
Options: a ) 843 , b ) 1023 , c ) 965 , d ) 413 , e ) 1245
[A]: a


[Q]: Problem: a shopkeeper sold an article offering a discount of 5 % and earned a profit of 42.5 % . what would have been the percentage of profit earned if no discount had been offered ? 
Options: a ) 28.5 , b ) 27.675 , c ) 30 , d ) 50 , e ) none of these
[A]:
d