instruction:
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: a number increased by 20 % gives 480 . the number is ? 
Options: a ) 200 , b ) 300 , c ) 400 , d ) 500 , e ) 600
answer:
c


question:
Problem: at an election 2 candidates are participated and a candidate got 45 % of votes and defeated by 9000 . and 83 votes are invalid . find the total polled votes ? 
Options: a ) 84512 , b ) 78452 , c ) 65893 , d ) 90083 , e ) 74502
answer:
d


question:
Problem: in one alloy there is 12 % chromium while in another alloy it is 8 % . 10 kg of the first alloy was melted together with 30 kg of the second one to form a third alloy . find the percentage of chromium in the new alloy . 
Options: a ) 9.4 % , b ) 9.6 % , c ) 9 % , d ) 9.8 % , e ) 10 %
answer:

c