1. 10
20
30
40
50
60
70
80
90
100

2. 10
20
30
40
50
60
70
80
90
100

3. 10
20
30
40
50
60
70
80
90
100

4. 10
20
30
40
50
60
70
80
90
100

5. 10
20
30
40
50
60
70
80
90
100

6. 10
20
30
40
50
60
70
80
90
100

7. 10
20
30
40
50
60
70
80
90
100

8. 10
20
30
40
50
60
70
80
90
100

9. 10
20
30
40
50
60
70
80
90
100

10. 10
20
30
40
50
60
70
80
90
100

11. A
Astronomy
Math
Computer
Geography
Business
Science
English
History
B C D
A B
B
B
A
A
C D
D
D
C
C
A B C D
A B
B
B
A
A
C D
D
D
C
C