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: 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: what is the value of 3 x ^ 2 1.8 x + 0.8 for x = 0.6 ?
Options: a ) 0.3 , b ) 0.8 , c ) 0.3 , d ) 1.08 , e ) 2.46
[EX A]: b

[EX Q]: Problem: in the faculty of reverse - engineering , 226 second year students study numeric methods , 423 second year students study automatic control of airborne vehicles and 134 second year students study them both . how many students are there in the faculty if the second year students are approximately 70 % of the total ?
Options: a ) 515 . , b ) 545 . , c ) 618 . , d ) 644 . , e ) 736 .
[EX A]:
e