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 reduction of 20 % in the price of oil enables a house wife to obtain 10 kgs more for rs . 1500 , what is the reduced price for kg ? 
Options: a ) rs . 20 , b ) rs . 25 , c ) rs . 30 , d ) rs . 35 , e ) rs . 40
[A]: c


[Q]: Problem: john makes $ 50 a week from his job . he earns a raise and now makes $ 80 a week . what is the % increase ? 
Options: a ) 16 % , b ) 16.66 % , c ) 17.9 % , d ) 18.12 % , e ) 60 %
[A]: e


[Q]: Problem: 40 percent of the members of a study group are women , and 20 percent of those women are lawyers . if one member of the study group is to be selected at random , what is the probability that the member selected is a woman lawyer ? 
Options: a ) 0.2 , b ) 0.08 , c ) 0.16 , d ) 0.14 , e ) 0.15
[A]:
b