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: what is the compound interest on rs : 40,000 for 4 months at the rate of 5 % per annum 
Options: a ) 670.85 , b ) 671.85 , c ) 672.85 , d ) 673.85 , e ) 674.85
[EX A]: a

[EX Q]: Problem: ramu bought an old car for rs . 48000 . he spent rs . 14000 on repairs and sold it for rs . 72900 . what is his profit percent ? 
Options: a ) 16 % , b ) 17.5 % , c ) 18.2 % , d ) 58.5 % , e ) 13 %
[EX A]: b

[EX Q]: Problem: a dealer purchased an article at 3 / 4 of its list price and sold 50 % more than the list price . find his gain percent ? 
Options: a ) 108 % , b ) 300 % , c ) 100 % , d ) 180 % , e ) 200 %
[EX A]:
c