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'.

Problem: when average age of 22 members are 0 , how many members greater than 0 ? 
Options: a ) 17 , b ) 21 , c ) 22 , d ) 24 , e ) 25
b

Problem: if n is an integer , f ( n ) = f ( n - 1 ) - n and f ( 4 ) = 14 . what is the value of f ( 6 ) ? 
Options: a ) 3 , b ) 0 , c ) 1 , d ) 2 , e ) 4
a

Problem: a certain basketball team that has played 2 / 3 of its games has a record of 15 wins and 5 losses . what is the greatest number of the remaining games that the team can lose and still win at least 3 / 4 of all of its games ? 
Options: a ) 7 , b ) 6 , c ) 5 , d ) 4 , e ) 2

e