36 quizzes were submitted. The following are the number of right answers for each question.

1. 35

2. 31

3. 25

4. 34

5. 36

6. 30

7. 30

8. 28

9. 28

10. 32

11. 32

12. 36

13. 29

14. 33

15. 35

16. 35

17. 22

18. 35

19. 31

20. 31

21. 25