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: the population of a town is 10000 . it increases annually at the rate of 27 % p . a . what will be its population after 2 years ?
Options: a ) 14000 , b ) 14400 , c ) 16129 , d ) 14600 , e ) 14700
[EX A]: c

[EX Q]: Problem: during a thanksgiving weekend , a car rental company rented 6 - tenths of their vehicles , including two - fifths of the 4 wds that it had . if 40 % of the vehicles are 4 wds , then what percent of the vehicles that were not rented were not 4 wds ?
Options: a ) 20 % , b ) 30 % , c ) 40 % , d ) 50 % , e ) 60 %
[EX A]: c

[EX Q]: Problem: peter brought a scooter for a certain sum of money . he spent 10 % of the cost on repairs and sold the scooter for a profit of $ 1100 . how much did he spend on repairs if he made a profit of 20 % ?
Options: a ) 100 , b ) 200 , c ) 300 , d ) 400 , e ) 500
[EX A]:
e