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

[Q]: Problem: in a college , the ratio of the number of boys to girls is 8 : 5 . if there are 300 girls , the total number of students in the college is 
Options: a ) 420 , b ) 520 , c ) 620 , d ) 780 , e ) 820
[A]: d


[Q]: Problem: sachin is younger than rahul by 18 years . if the ratio of their ages is 7 : 9 , find the age of sachin 
Options: a ) 24.5 , b ) 63 , c ) 65 , d ) 36 , e ) 24.19
[A]: b


[Q]: Problem: sachin is younger than rahul by 6 years . if their ages are in the respective ratio of 7 : 9 , how old is sachin ? 
Options: a ) 16 , b ) 18 , c ) 28 , d ) 30 , e ) 34
[A]:
e


