The way the questions are worded, the answers are:

1 no
2 y
3 n
4 y
5 n
6 y
7 n
8 y
9 n
10 n
11 n
12 y
13 n
14 n, unless it is a essential feature of the job, ie. language teacher, interperator.
15 n
16 n
17 y
18 n
19 n
20 n