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'.
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Question: Problem: a man has $ 10,000 to invest . he invests $ 4000 at 5 % and $ 3500 at 4 % . in order to have a yearly income of $ 500 , he must invest the remainder at :
Options: a ) 4.6 % , b ) 3.6 % , c ) 6.4 % , d ) 7.8 % , e ) 8.9 %

Answer: c

Question: Problem: if 20 % of a number = 1000 , then 120 % of that number will be ?
Options: a ) 20 , b ) 120 , c ) 360 , d ) 6000 , e ) 820

Answer: d

Question: Problem: in an election between two candidates , the first candidate got 70 % of the votes and the second candidate got 240 votes . what was the total number of votes ?
Options: a ) 800 , b ) 900 , c ) 1000 , d ) 1100 , e ) 1200

Answer:
a