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'.

[EX Q]: Problem: average expenditure of a person for the first 3 days of a week is rs . 330 and for the next 4 days is rs . 420 . average expenditure of the man for the whole week is : 
Options: a ) 350 , b ) 370 , c ) 390 , d ) 430 , e ) none
[EX A]: b

[EX Q]: Problem: 12.1212 + 17.0005 - 9.1103 = ? 
Options: a ) 20.0015 , b ) 20.0105 , c ) 20.0115 , d ) 20.0114 , e ) none
[EX A]: d

[EX Q]: Problem: what is the tenth digit of ( 5 ! * 5 ! - 5 ! * 3 ! ) / 5 ? 
Options: a ) 1 , b ) 2 , c ) 0 , d ) 6 , e ) 7
[EX A]:
b