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'.

Input: Consider Input: Problem: jar a has 6 % more marbles than jar b . what percent of marbles from jar a need to be moved into jar b so that both jars have equal marbles ?
Options: a ) 2.8 % , b ) 3.0 % , c ) 3.2 % , d ) 3.4 % , e ) 3.6 %

Output: a

Input: Consider Input: Problem: a shopkeeper has 100 kg of apples . he sells 50 % of these at 25 % profit and remaining 50 % at 30 % profit . find his % profit on total .
Options: a ) 27.5 % , b ) 25.6 % , c ) 31.5 % , d ) 35.9 % , e ) 29.5 %

Output: a

Input: Consider Input: Problem: the banker ' s gain on a bill due due 1 year hence at 12 % per annum is rs . 7.8 . the true discount is
Options: a ) rs . 72 , b ) rs . 65 , c ) rs . 54 , d ) rs . 50 , e ) none
Output: b