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'.

Q: Problem: in a certificate by mistake a candidate gave his height as 25 % more than actual height . in the interview panel , he clarified that his height was 5 feet 5 nches . find the % correction made by the candidate from his stated height to his actual height ? 
Options: a ) 10 , b ) 20 , c ) 30 , d ) 35 , e ) 43

A: b
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Q: Problem: rs . 900 amounts to rs . 920 in 3 years at simple interest . if the interest is increased by 3 % , it would amount to how much ? 
Options: a ) rs . 1056 , b ) rs . 1001 , c ) rs . 2056 , d ) rs . 1026 , e ) rs . 1856

A: b
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Q: Problem: the difference between compound interest and simple interest on a certain amount of money at 5 % per annum for 2 years is 19 . find the sum : 
Options: a ) 4500 , b ) 7600 , c ) 5000 , d ) 6000 , e ) none of these

A:
b
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