Solutions to questions from 9-12

14    D        40      C     
17    D        41      D
18    C        43      C
23    A        44      A
29    C        55      A
33    A        56      C
36    B        58      D
37    C

1     A        31      C
5     B        39      A
8     A        41      C      
15    D        42      B
17    C        60      C
19    A        67      C
22    A        68      D
25    C        70      B
27    A

3     D        28      C
7     B        32      A
9     C        34      D
15    C        37      C   
17    B        39      D
20    B        40      A
21    C        42      B
26    B

7     B        33      A
8     C        34      C
19    C        36      D
20    D        39      B
22    C        50      B
28    B        56      D
29    A        57      B
31    D        61      B
32    C