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'.

Problem: in business , a and c invested amounts in the ratio 2 : 1 , whereas the ratio between amounts invested by a and b was 2 : 3 , if rs 15,0000 was their profit , how much amount did b receive .
Options: a ) 12653 , b ) 14587 , c ) 36975 , d ) 75000 , e ) 12874
d

Problem: uncle bruce is baking chocolate chip cookies . he has 50 ounces of dough ( with no chocolate ) and 40 ounces of chocolate . how much chocolate is left over if he uses all the dough but only wants the cookies to consist of 30 % chocolate ?
Options: a ) 22.86 , b ) 23.86 , c ) 25 , d ) 26 , e ) 27
a

Problem: what is 25 % of 25 % equal to
Options: a ) 0.625 , b ) 0.0625 , c ) 6.25 , d ) 0.00625 , e ) none
d