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

Input: Consider Input: Problem: the ratio of money with ram and gopal is 7 : 17 and that with gopal and krishan is 7 : 17 . if ram has rs . 637 , krishan has ? 
Options: a ) s . 2890 , b ) s . 2330 , c ) s . 3757 , d ) s . 1620 , e ) s . 2680

Output: c


Input: Consider Input: Problem: the ratio between the number of passengers travelling by i and ii class between the two railway stations is 1 : 50 , whereas the ratio of i and ii class fares between the same stations is 3 : 1 . if on a particular day rs . 1,325 were collected from the passengers travelling between these stations , then what was the amount collected from the ii class passengers ? 
Options: a ) rs . 750 , b ) rs . 1000 , c ) rs . 850 , d ) rs . 1250 , e ) none of these

Output: d


Input: Consider Input: Problem: what is the greatest positive integer n such that 3 ^ n is a factor of 54 ^ 100 ? 
Options: a ) 100 , b ) 200 , c ) 300 , d ) 600 , e ) 900


Output: c