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

Example Input: Problem: in a college the ratio of the numbers of boys to the girls is 8 : 5 . if there are 160 girls , the total number of students in the college is ? 
Options: a ) 562 , b ) 356 , c ) 452 , d ) 416 , e ) 512
Example Output: d

Example Input: Problem: log 3 n + log 12 n what is 3 digit number n that will be whole number 
Options: a ) 6291 , b ) 7292 , c ) 1728 , d ) 1929 , e ) 1727
Example Output: c

Example Input: Problem: ratio between rahul and deepak is 4 : 3 , after 6 years rahul age will be 50 years . what is deepak present age 
Options: a ) 14 , b ) 15 , c ) 33 , d ) 22 , e ) 23
Example Output:
c