1. Look at this series: VI, 10, V, 11, __, 12, III, … What number should fill the blank? (2)
- 1. II
- 2. IV
- 3. IX
- 4. 14
2. Look at this series: (1/9), (1/3), 1, ____ , 9, … What number should fill the blank? (2)
- 1. (2/3)
- 2. 3
- 3. 6
- 4. 27
3. Look at this series: 83, 73, 93, 63, __, 93, 43, … What number should fill the blank? (2)
- 1. 33
- 2. 53
- 3. 73
- 4. 93
4. Look at this series: 15, __, 27, 27, 39, 39, … What number should fill the blank? (4)
- 1. 51
- 2. 39
- 3. 23
- 4. 15
5. Look at this series: 72, 76, 73, 77, 74, __, 75, … What number should fill the blank? (4)
- 1. 70
- 2. 71
- 3. 75
- 4. 78