I am 100% sure that the following answers are correct:
1 A
2 C
3 D
4 B
5 B
6 C
7 D
8 D
9 B
10B
11C
12A
13D
14C
15A -- ALL of the previous SDD exams pass the result variable to functions (dont ask me why, paper-makers are idiots)
16B
17C
18A
19C
20D
Overall, i was disappointed with the paper...