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

[EX Q]: Problem: the ratio of two quantities is 4 : 3 . if each of the quantities is decreased by 8 , their ratio changes to 3 : 1 then the smallest number is ? 
Options: a ) 5.2 , b ) 6.9 , c ) 9.6 , d ) 7.8 , e ) 4.7
[EX A]: c

[EX 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
[EX A]: b

[EX Q]: Problem: local kennel has cats and dogs in the ratio of 5 : 10 . if there are 40 fewer cats than dogs , how many dogs are in the kennel ? 
Options: a ) 80 , b ) 70 , c ) 60 , d ) 50 , e ) 45
[EX A]:
a