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: 2.505 / 10.02 =
Options: a ) 0.35 , b ) 0.3505 , c ) 0.25 , d ) 0.351 , e ) 0.3527

Output: c

Input: Consider Input: Problem: the average marks of a class of 30 students is 40 and that of another class of 50 students is 60 . find the average marks of all the students ?
Options: a ) 82.5 , b ) 52.9 , c ) 52.2 , d ) 52.5 , e ) 52.7

Output: d

Input: Consider Input: Problem: prints a page 40 pg per min . if the printed for 2 hours except 20 min . where there was an paper jam , how many page did it print
Options: a ) 4,000 , b ) 12,880 , c ) 14,880 , d ) 8,880 , e ) 18,880
Output: a