| Question | A | B | C | D | E | |||||
| No. | p.c. (%) | No. | p.c. (%) | No. | p.c. (%) | No. | p.c. (%) | No. | p.c. (%) | |
| 18 | 1 | 6.67 | 4 | 26.67 | 6 | 40 | 3 | 20 | 1 | 6.67 |
| 19 | 0 | 0 | 3 | 20 | 7 | 46.67 | 5 | 33.33 | 0 | 0 |
| 20 | 1 | 6.67 | 8 | 53.33 | 2 | 13.33 | 1 | 6.67 | 3 | 20 |