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: patrick purchased 60 pencils and sold them at a loss equal to the selling price of 20 pencils . the cost of 60 pencils is how many times the selling price of 60 pencils ?
Options: a ) 0.75 , b ) 0.8 , c ) 1 , d ) 1.33 , e ) 1.75

Output: d

Input: Consider Input: Problem: the average ( arithmetic mean ) of 4 positive integers is 30 . if the average of 2 of these integers is 15 , what is the greatest possible value that one of the other 2 integers can have ?
Options: a ) 55 , b ) 89 , c ) 100 , d ) 109 , e ) 115

Output: b

Input: Consider Input: Problem: what is the least number should be added to 1056 , so the sum of the number is completely divisible by 29 ?
Options: a ) 17 , b ) 27 , c ) 37 , d ) 47 , e ) 57
Output: a