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

[EX Q]: Problem: how many trailing zeroes does 53 ! + 54 ! have ? 
Options: a ) 12 , b ) 13 , c ) 14 , d ) 15 , e ) 16
[EX A]: b

[EX Q]: Problem: 16 balls are numbered 1 to 16 . a ball is drawn and then another ball is drawn without replacement . what is the probability that both balls have even numbers ? 
Options: a ) 4 / 11 , b ) 5 / 17 , c ) 6 / 25 , d ) 7 / 30 , e ) 8 / 37
[EX A]: d

[EX Q]: Problem: how many of the positive factors of 24 are not factors of 30 
Options: a ) 2 , b ) 3 , c ) 4 , d ) 1 , e ) 5
[EX A]:
c