Find the number that fits somewhere into the middle of the series. Some of the items involve both numbers and letters 1. Look at this series: J14, L16, __, P20, R22, … What number should fill the blank? (2)
- 1. S24
- 2. N18
- 3. M18
- 4. T24
2. Look at this series: 4, 7, 25, 10, __, 20, 16, 19, … What number should fill the blank? (1)
- 1. 13
- 2. 15
- 3. 20
- 4. 28
3. Look at this series: XXIV, XX, __, XII, VIII, … What number should fill the blank? (3)
- 1. XXII
- 2. XIII
- 3. XVI
- 4. IV
4. Look at this series: 0.15, 0.3, ____, 1.2, 2.4, … What number should fill the blank? (3)
- 1. 4.8
- 2. 0.006
- 3. 0.6
- 4. 0.9
5. Look at this series: U32, V29, __, X23, Y20, … What number should fill the blank? (1)
- 1. W26
- 2. W17
- 3. Z17
- 4. Z26