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: x and y started a business by investing rs . 36000 and rs . 42000 respectively after 4 months z joined in the business with an investment of rs . 48000 , then find share of z in the profit of rs . 13860 ? 
Options: a ) 4032 , b ) 4000 , c ) 3250 , d ) 3825 , e ) 3985

SOLUTION: a

PROBLEM: Problem: find the annual income derived by investing $ 6800 in 30 % stock at 136 . 
Options: a ) 550 , b ) 1500 , c ) 250 , d ) 1300 , e ) 400

SOLUTION: b

PROBLEM: Problem: a man can row his boat with the stream at 20 km / h and against the stream in 8 km / h . the man ' s rate is ? 
Options: a ) 1 kmph , b ) 7 kmph , c ) 6 kmph , d ) 5 kmph , e ) 4 kmph

SOLUTION:
c