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

[EX Q]: Problem: the duplicate ratio of 3 : 4 is ? 
Options: a ) 1 : 2 , b ) 1 : 4 , c ) 1 : 8 , d ) 9 : 16 , e ) 1 : 13
[EX A]: d

[EX Q]: Problem: how many days per calendar year is the month a factor of the day 
Options: a ) 0 , b ) 1 , c ) 59 , d ) 90 , e ) 124
[EX A]: e

[EX Q]: Problem: in a graduating class of 232 students , 144 took geometry and 119 took biology . what is the difference between the greatest possible number and the smallest possible number of students that could have taken both geometry and biology ? 
Options: a ) 144 , b ) 119 , c ) 113 , d ) 88 , e ) 31
[EX A]:
c