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: two boys starts from the same place walking at the rate of 5.5 kmph and 7.5 kmph respectively in the same direction . what time will they take to be 32 km apart ? 
Options: a ) 18 , b ) 16 , c ) 19 , d ) 15 , e ) 34

SOLUTION: b

PROBLEM: Problem: if 20 % of a number = 1000 , then 120 % of that number will be ? 
Options: a ) 20 , b ) 120 , c ) 360 , d ) 6000 , e ) 820

SOLUTION: d

PROBLEM: Problem: running at the same constant rate , 6 identical machines can produce a total of 270 bottles per minute . at this rate , how many bottles could 5 such machines produce in 4 minutes ? 
Options: a ) 900 , b ) 1,800 , c ) 2,700 , d ) 10,800 , e ) 64,800

SOLUTION:
a