In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Input: Consider Input: Problem: the ages of patrick and michael are in the ratio of 3 : 5 and that of michael and monica are in the ratio of 3 : 5 . if the sum of their ages is 147 , what is the difference between the ages of patrick and monica ?
Options: a ) 48 , b ) 47 , c ) 46 , d ) 49 , e ) 52

Output: a

Input: Consider Input: Problem: roy is now 8 years older than julia and half of that amount older than kelly . if in 4 years , roy will be twice as old as julia , then in 4 years what would be roy ' s age multiplied by kelly ' s age ?
Options: a ) 172 , b ) 180 , c ) 192 , d ) 200 , e ) 216

Output: c

Input: Consider Input: Problem: the sum of the ages of 5 children born at the intervals of 3 years each is 50 years . what is the age of the youngest child ?
Options: a ) 4 years , b ) 8 years , c ) 10 years , d ) 12 years , e ) none of these
Output: a