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: the area of a circle is increased by 1500 % . by what percent has the radius of the circle increased ? 
Options: a ) 100 % , b ) 200 % , c ) 300 % , d ) 600 % , e ) 800 %
[A]: c


[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
[A]: b


[Q]: Problem: a man buys a cycle for rs . 1800 and sells it at a loss of 25 % . what is the selling price of the cycle ? 
Options: a ) s . 1090 , b ) s . 1160 , c ) s . 1190 , d ) s . 1350 , e ) s . 1256
[A]:
d