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 baseball card decreased in value 10 % in its first year and 10 % in its second year . what was the total percent decrease of the card ' s value over the two years ? 
Options: a ) 19 % , b ) 30 % , c ) 32 % , d ) 36 % , e ) 72 %

Answer: a


Question: Problem: by selling an article at rs . 800 , a shopkeeper makes a profit of 25 % . at what price should he sell the article so as to make a loss of 15 % ? 
Options: a ) 228 , b ) 480 , c ) 267 , d ) 288 , e ) 544

Answer: e


Question: Problem: by selling 10 pencils for a rupee a man loses 25 % . how many for a rupee should he sell in order to gain 25 % ? 
Options: a ) 6 , b ) 9 , c ) 10 , d ) 89 , e ) 81

Answer:
a