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'.

[EX Q]: Problem: there were two candidates in an election . winner candidate received 62 % of votes and won the election by 408 votes . find the number of votes casted to the winning candidate ? 
Options: a ) 288 , b ) 1054 , c ) 788 , d ) 298 , e ) 177
[EX A]: b

[EX Q]: Problem: the banker ' s gain of a certain sum due 2 years hence at 10 % per annum is rs . 24 . the present worth is : 
Options: a ) rs . 608 , b ) rs . 6076 , c ) rs . 600 , d ) rs . 602 , e ) rs . 601
[EX A]: c

[EX Q]: Problem: a pair of articles was bought for $ 50 at a discount of 20 % . what must be the marked price of each of the article ? 
Options: a ) $ 25 , b ) $ 31.25 , c ) $ 29.65 , d ) $ 35.95 , e ) $ 45.62
[EX A]:
b