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: find the principle on a certain sum of money at 5 % per annum for 4 years if the amount being rs . 1120 ?
Options: a ) 933 , b ) 1067 , c ) 1977 , d ) 1056 , e ) 1097
answer:
a

question:
Problem: by selling an article for $ 90 , a person gains $ 15 . what is the gain % ?
Options: a ) 25 % , b ) 30 % , c ) 50 % , d ) 20 % , e ) 10 %
answer:
d

question:
Problem: a sum fetched a total simple interest of 4034.25 at the rate of 9 % . p . a . in 5 years . what is the sum ?
Options: a ) 5768 , b ) 8925 , c ) 8965 , d ) 6474 , e ) 8723
answer:
c