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: uncle bruce is baking chocolate chip cookies . he has 50 ounces of dough ( with no chocolate ) and 40 ounces of chocolate . how much chocolate is left over if he uses all the dough but only wants the cookies to consist of 30 % chocolate ? 
Options: a ) 22.86 , b ) 23.86 , c ) 25 , d ) 26 , e ) 27
answer:
a


question:
Problem: 30 is what percent of 100 ? 
Options: a ) 35 % , b ) 30 % , c ) 45 % , d ) 50 % , e ) 55 %
answer:
b


question:
Problem: the population of a village is 6000 . it decreases annually at the rate of 10 % p . a . what will be its population after 2 years ? 
Options: a ) 5000 , b ) 4860 , c ) 5400 , d ) 4800 , e ) 5120
answer:

b