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

[EX Q]: Problem: if both 5 ^ 3 and 3 ^ 4 are factors of n x ( 2 ^ 5 ) x ( 12 ^ 2 ) x ( 7 ^ 3 ) x ( 10 ^ 2 ) , what is the smallest possible positive value of n ? 
Options: a ) 15 , b ) 45 , c ) 75 , d ) 125 , e ) 150
[EX A]: b

[EX Q]: Problem: 9 log 9 ( 7 ) = ? 
Options: a ) 1 , b ) 2 , c ) 7 , d ) 4 , e ) 5
[EX A]: c

[EX Q]: Problem: how many positive integers between 20 and 2000 ( both are inclusive ) are there such that they are multiples of 10 ? 
Options: a ) 201 , b ) 193 , c ) 200 , d ) 199 , e ) 195
[EX A]:
d

