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: a trader bought a car at 20 % discount on its original price . he sold it at a 55 % increase on the price he bought it . what percent of profit did he make on the original price ? 
Options: a ) 17 % , b ) 24 % , c ) 12 % , d ) 82 % , e ) 16 %
[A]: b


[Q]: Problem: if the cost price of 50 articles is equal to the selling price of 20 articles , then the gain or loss percent is ? 
Options: a ) 16 , b ) 127 , c ) 12 , d ) 18 , e ) 150
[A]: e


[Q]: Problem: p and q started a business investing rs 50000 and rs 15000 resp . in what ratio the profit earned after 2 years be divided between p and q respectively . 
Options: a ) 12 : 5 , b ) 17 : 3 , c ) 10 : 6 , d ) 17 : 7 , e ) 10 : 3
[A]:
e