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: machine p and machine q are each used to manufacture 440 sprockets . it takes machine p 10 hours longer to produce 440 sprockets than machine q . machine q produces 10 % more sprockets per hour than machine a . how many sprockets per hour does machine a produce ? 
Options: a ) 2 , b ) 4 , c ) 6 , d ) 8 , e ) 10

SOLUTION: b

PROBLEM: Problem: a trader bought a car at 5 % discount on its original price . he sold it at a 60 % increase on the price he bought it . what percent of profit did he make on the original price ? 
Options: a ) 17 % , b ) 62 % , c ) 52 % , d ) 19 % , e ) 22 %

SOLUTION: c

PROBLEM: Problem: find the compound interest on rs . 16,000 at 20 % per annum for 9 months , compounded quartely . 
Options: a ) rs . 2522 , b ) rs . 2512 , c ) rs . 2572 , d ) rs . 2592 , e ) none

SOLUTION:
a