In this task, you need to provide the correct option for a given problem from the provided options.

[EX Q]: Problem: 9 log 9 ( 5 ) = ? 
Options: a ) 1 , b ) 2 , c ) 3 , d ) 5 , e ) 8
[EX A]: d

[EX Q]: Problem: the h . c . f of two numbers is 23 and the other two factors of their l . c . m are 11 and 12 . the larger of the two numbers is : 
Options: a ) 338 , b ) 276 , c ) 322 , d ) 231 , e ) 121
[EX A]: b

[EX Q]: Problem: in a class of 32 students , 12 enrolled for both english and german . 22 enrolled for german . if the students of the class enrolled for at least one of the two subjects , then how many students enrolled for only english and not german ? 
Options: a ) 30 , b ) 10 , c ) 18 , d ) 28 , e ) 32
[EX A]:
b