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'.

[EX Q]: 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 8 such machines produce in 4 minutes ? 
Options: a ) 648 , b ) 1800 , c ) 2700 , d ) 1440 , e ) none of these
[EX A]: d

[EX Q]: Problem: there are 200 employees in a room . 99 % are managers . how many managers must leave the room to bring down the percentage of managers to 98 % ? 
Options: a ) 150 , b ) 100 , c ) 99 , d ) 50 , e ) 25
[EX A]: b

[EX Q]: Problem: in certain code ' twice ' is written as ' 34 $ 5 δ ' and ' wears ' is written as ' 4 δ 29 % ' . how is ' seat ' written in that code ? 
Options: a ) 22 , b ) 23 , c ) 697 , d ) 66 p , e ) 82
[EX A]:
b