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: solve the quickfire maths brain teaser â ˆ š 25 % = ? 
Options: a ) 30 % , b ) 40 % , c ) 50 % , d ) 19 % , e ) 29 %

A: c
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Q: Problem: if the cost price is 94 % of sp then what is the profit % 
Options: a ) 5.07 % , b ) 6 % , c ) 5.7 % , d ) 6.50 % , e ) 6.25 %

A: e
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Q: Problem: the amount of principal rs . 8000 at compound interest at the ratio of 5 % p . a . for 1 year is 
Options: a ) s . 9621 , b ) s . 6921 , c ) s . 8400 , d ) s . 6261 , e ) s . 6361

A:
c
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