Sample Exam 4 Questions

1 b   21 c
2 e   22 b
3 b   23 b
4 b   24 c
5 c   25 d
6 a   26 c
7 b   27 b
8 d   28 b
9 b   29 c
10 b   30 d
11 b   31 a
12 c   32 b
13 a   33 c
14 c   34 a
15 a   35 a
16 c   36 d
17 b   37 c
18 c   38 c
19 c   39 c
20 c   40 b

Short answers are for you to ponder with your colleagues.