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: for how many integer values of n will the value of the expression 4 n + 7 be an integer greater than 1 and less than 60 ? 
Options: a ) 10 , b ) 15 , c ) 8 , d ) 12 , e ) 20

Output: b


Input: Consider Input: Problem: a batsman in his 12 th innings makes a score of 75 and thereby increases his average by 1 runs . what is his average after the 12 th innings if he had never been ‘ not out ’ ? 
Options: a ) 42 , b ) 43 , c ) 44 , d ) 64 , e ) 46

Output: d


Input: Consider Input: Problem: the average of 5 quantities is 6 . the average of 3 of them is 4 . what is the average of remaining 2 numbers ? 
Options: a ) 9 , b ) 10 , c ) 8 , d ) 9.5 , e ) none of these


Output: a