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: uncle bruce is baking chocolate chip cookies . he has 36 ounces of dough ( with no chocolate ) and 12 ounces of chocolate . how many ounces of chocolate are left over if he uses all the dough but only wants the cookies to consist of 20 % chocolate ?
Options: a ) 3 , b ) 6 , c ) 7.2 , d ) 7.8 , e ) 9
[EX A]: a

[EX Q]: Problem: a 4 % stock yield 5 % . the market value of the stock is ?
Options: a ) rs . 125 , b ) rs . 80 , c ) rs . 99 , d ) rs . 109 , e ) rs . 101
[EX A]: b

[EX Q]: Problem: the cost price of 20 articles is the same as the selling price of x articles . if the profit is 25 % , find out the value of x
Options: a ) 13 , b ) 14 , c ) 15 , d ) 16 , e ) 17
[EX A]:
d