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: the profits of qrs company rose 20 % from march to april , then dropped 20 % from april to may , then rose 50 % from may to june . what was the percent increase for the whole quarter , from march to june ? 
Options: a ) 15 % , b ) 32 % , c ) 44 % , d ) 62 % , e ) 80 %

SOLUTION: c

PROBLEM: Problem: in an examination it is necessary for a candidate to get 45 % of the maximum marks to pass . a candidate who gets 180 marks , fails by 45 marks . find the maximum marks . 
Options: a ) 450 , b ) 600 , c ) 500 , d ) 550 , e ) 650

SOLUTION: c

PROBLEM: Problem: what is the rate percent when the simple interest on rs . 1000 amount to rs . 400 in 4 years ? 
Options: a ) 5 % , b ) 6 % , c ) 2 % , d ) 95 % , e ) 10 %

SOLUTION:
e