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

Input: Consider Input: Problem: in a circuit board factory , all circuit boards that pass a verification process are certified . every board that fails the verification process is indeed faulty , but 1 / 8 of those that pass are also faulty . approximately how many faulty circuit boards exist in a group of 3200 circuit boards where 64 fail inspection ? 
Options: a ) 72 , b ) 192 , c ) 456 , d ) 256 , e ) 264

Output: c


Input: Consider Input: Problem: sachin is older than rahul by 7 years . if the ratio of their ages is 11 : 9 , find the age of sachin 
Options: a ) 24.5 , b ) 24.8 , c ) 38.5 , d ) 24.88 , e ) 24.19

Output: c


Input: Consider Input: Problem: sachin is younger than rahul by 7 years . if the ratio of their ages is 7 : 9 , find the age of sachin 
Options: a ) 24.58 , b ) 24.5 , c ) 24.3 , d ) 24.9 , e ) 24.1


Output: b