These are from memory so :S
1. C
2. B
3. B (I'm probably wrong here)
4. C
5. B
6. C
7. C (had to re calculate this one...couldnt remember it (i think i got it wrong in the exam LOL...can't use a calculator))
8. A
9. B
10. D
11. D
12. A
13. A
14. A
15. C
16. C
17. B
18. B
19. A (LOL SHIT IM A...