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

Input: Consider Input: Problem: two integers are in the ratio of 1 to 3 . if 10 is added to the smaller number , the ratio becomes 2 to 1 . find the larger integer . 
Options: a ) 6 , b ) 9 , c ) 10 , d ) 12 , e ) 15

Output: a


Input: Consider Input: Problem: divide $ 300 among a , b in the ratio 1 : 2 . how many $ that a get ? 
Options: a ) $ 50 , b ) $ 500 , c ) $ 150 , d ) $ 250 , e ) $ 100

Output: e


Input: Consider Input: Problem: the ratio of numbers is 4 : 5 and their h . c . f is 4 . their l . c . m is : 
Options: a ) 80 , b ) 16 , c ) 24 , d ) 48 , e ) 98


Output: a