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: reena took a loan of $ . 1200 with simple interest for as many years as the rate of interest . if she paid $ 588 as interest at the end of the loan period , what was the rate of interest ? 
Options: a ) 3.6 , b ) 7 , c ) 18 , d ) can not be determined , e ) none of these

SOLUTION: b

PROBLEM: Problem: of the votes cast on a certain proposal , 68 more were in favor of the proposal than were against it . if the number of votes against the proposal was 40 percent of the total vote , what was the total number of votes cast ? ( each vote cast was either in favor of the proposal or against it . ) 
Options: a ) 300 , b ) 340 , c ) 380 , d ) 420 , e ) 460

SOLUTION: b

PROBLEM: Problem: two numbers are respectively 20 % and 25 % more than a third number . so find the percentage that is first of the second is ? 
Options: a ) 96 , b ) 20 , c ) 35 , d ) 78 , e ) 89

SOLUTION:
a