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

Answer: a


Question: Problem: what is the square root of 0.16 
Options: a ) 0.4 , b ) 0.04 , c ) 0.004 , d ) 4 , e ) 1

Answer: a


Question: Problem: right now , the ratio between the ages of sandy and molly is 4 : 3 . after 6 years , sandy ’ s age will be 38 years . what is molly ' s age right now ? 
Options: a ) 15 , b ) 18 , c ) 21 , d ) 24 , e ) 27

Answer:
d