sorry for the repear double post, but based solely on your solutions, and assuming i get part marks for working, i should get:
Question 1: 12/12
Question 2: 9-10/12
Question 3: 11/12
Question 4: 11/12
Question 5: 11/12
Question 6: 11/12
Question 7: 10-12/12
= 75-78/84
Damn........... stupid...