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

Ex Input:
Problem: teas worth rs . 126 per kg and rs . 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2 . if the mixture is worth rs 156 per kg , the price of the third variety per kg will be ? 
Options: a ) rs . 147.50 , b ) rs . 785.50 , c ) rs . 178.50 , d ) rs . 258.50 , e ) none of these

Ex Output:
c


Ex Input:
Problem: if 0.4 of a number is equal to 0.06 of another number , the ratio of the numbers is : 
Options: a ) 2 : 3 , b ) 3 : 4 , c ) 3 : 20 , d ) 20 : 3 , e ) 22 : 1

Ex Output:
c


Ex Input:
Problem: what number has a 5 : 1 ratio to the number 8 ? 
Options: a ) 22 , b ) 40 , c ) 88 , d ) 52 , e ) 12

Ex Output:

b