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'.

[EX Q]: Problem: how many halves are there in 9 - fourth ? 
Options: a ) 8 , b ) 4.5 , c ) 3.2 , d ) 7 , e ) 3
[EX A]: b

[EX Q]: Problem: what is the remainder when 1003 * 1005 * 1007 is divided by 15 
Options: a ) 3 , b ) 17 , c ) 14 , d ) 0 , e ) 7
[EX A]: d

[EX Q]: Problem: how many 9 - digits number are palindromic numbers ? a palindromic number reads the same forward and backward , example 123454321 . 
Options: a ) 100 , b ) 610 , c ) 729 , d ) 900 , e ) 90000
[EX A]:
e