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: in an office , 20 percent of the workers have at least 5 years of service , and a total of 16 workers have at least 10 years of service . if 90 percent of the workers have fewer than 10 years of service , how many of the workers have at least 5 but fewer than 10 years of service ?
Options: a ) 32 , b ) 64 , c ) 50 , d ) 144 , e ) 160

SOLUTION: a

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: if the cost price of 65 chocolates is equal to the selling price of 50 chocolates , the gain percent is :
Options: a ) 35 % , b ) 10 % , c ) 20 % , d ) 30 % , e ) 33 %

SOLUTION:
d