6. Look at this series: VI, 10, V, 11, __, 12, III, … What number should fill the blank?

A. II
B. IV
C. IX
D. 14

7. Look at this series: (1/9), (1/3), 1, ____ , 9, … What number should fill the blank?

A. (2/3)
B. 3
C. 6
D. 27

8. Look at this series: 83, 73, 93, 63, __, 93, 43, … What number should fill the blank?

A. 33
B. 53
C. 73
D. 93

9. Look at this series: 15, __, 27, 27, 39, 39, … What number should fill the blank?

A. 51
B. 39
C. 23
D. 15

10. Look at this series: 72, 76, 73, 77, 74, __, 75, … What number should fill the blank?

A. 70
B. 71
C. 75
D. 78