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 least number , which when divided by 12 , 31 , 20 and 54 leaves in each case a remainder of 8 is : 
Options: a ) 448 , b ) 488 , c ) 16748 , d ) 548 , e ) 560

Output: c


Input: Consider Input: Problem: the average of 5 quantities is 9 . the average of 3 of them is 4 . what is the average of remaining 2 numbers ? 
Options: a ) 16.5 , b ) 10 , c ) 8 , d ) 9.5 , e ) none of these

Output: a


Input: Consider Input: Problem: in 10 years , a will be twice as old 5 as b was 10 years ago . if a is now 8 years older than b , the present age of b is 
Options: a ) 35 , b ) 37 , c ) 38 , d ) 41 , e ) 42


Output: c