In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

[Q]: Problem: two trains of equal length are running on parallel lines in the same directions at 46 km / hr . and 36 km / hr . the faster trains pass the slower train in 144 seconds . the length of each train is : 
Options: a ) 82 m , b ) 150 m , c ) 172 m , d ) 200 m , e ) none of these
[A]: d


[Q]: Problem: in a certain company , the ratio of the number of managers to the number of non - managers in any department must always be greater than 7 : 37 . in the company , what is the maximum number of non - managers in a department that has 9 managers ? 
Options: a ) 44 , b ) 45 , c ) 46 , d ) 47 , e ) 48
[A]: d


[Q]: Problem: how much is 80 % of 40 is greater than 2 / 5 of 25 ? 
Options: a ) 22 , b ) 27 , c ) 18 , d ) 12 , e ) 81
[A]:
a