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'.
--------
Question: Problem: the banker ' s gain on a sum due 6 years hence at 12 % per annum is rs . 900 . what is the banker ' s discount ? 
Options: a ) 1240 , b ) 1120 , c ) 1190 , d ) 2150 , e ) none of these

Answer: d


Question: 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 %

Answer: e


Question: Problem: a dishonest dealer professes to sell goods at the cost price but uses a weight of 750 grams per kg , what is his percent ? 
Options: a ) 25 % , b ) 33 % , c ) 29 % , d ) 55 % , e ) 45 %

Answer:
b