TASK DEFINITION: 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: Problem: thirty percent of the members of a swim club have passed the lifesaving test . among the members who have not passed the test , 26 have taken the preparatory course and 65 have not taken the course . how many members are there in the swim club ? 
Options: a ) 60 , b ) 80 , c ) 100 , d ) 130 , e ) 140

SOLUTION: d

PROBLEM: Problem: a shopkeeper has 280 kg of apples . he sells 45 % of these at 20 % profit and remaining 60 % at 30 % profit . find his % profit on total . 
Options: a ) 24 % , b ) 25 % , c ) 27 % , d ) 28 % , e ) 35 %

SOLUTION: c

PROBLEM: Problem: what is rate of interest if principal . amount be 400 , simple interest 120 and time 2 year . 
Options: a ) 10 , b ) 12.5 , c ) 25 , d ) 12 , e ) 15

SOLUTION:
e