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'.

[EX Q]: Problem: what is the value of a s 81 % ?
Options: a ) 25 % , b ) 36 % , c ) 42 % , d ) 60 % , e ) 90 %
[EX A]: e

[EX Q]: Problem: a number increased by 20 % gives 480 . the number is ?
Options: a ) 200 , b ) 300 , c ) 400 , d ) 500 , e ) 600
[EX A]: c

[EX Q]: Problem: the list price of an article is rs . 69 . a customer pays rs . 56.16 for it . he was given two successive discounts , one of them being 10 % . the other discount is ?
Options: a ) 9.33 % , b ) 9.44 % , c ) 9.45 % , d ) 9.56 % , e ) 9.67 %
[EX A]:
d