In this task, you need to provide the correct option for a given problem from the provided options.
--------
Question: Problem: a certain fraction has the same ratio to 1 / 33 , as 3 / 4 does to 7 / 11 . what is this certain fraction ? 
Options: a ) 1 / 14 , b ) 1 / 18 , c ) 1 / 21 , d ) 1 / 25 , e ) 1 / 28

Answer: e


Question: Problem: what is the square root of 625 , divided by 5 ? 
Options: a ) 9 , b ) 36 , c ) 5 , d ) 6 , e ) 1

Answer: c


Question: Problem: in a college , the ratio of the number of boys to girls is 8 : 4 . if there are 200 girls , the total number of students in the college is 
Options: a ) 420 , b ) 520 , c ) 600 , d ) 720 , e ) 820

Answer:
c