Direction to Solve In each series, look for the degree and direction of change between the numbers. In other words, do the numbers increase or decrease, and by how much Type 1
Look at this series: 2, 1, (1/2), (1/4), … What number should come next? A. (1/3) B. (1/8) C. (2/8) D. (1/16)
Look at this series: 7, 10, 8, 11, 9, 12, … What number should come next? A. 7 B. 10 C. 12 D. 13
Look at this series: 36, 34, 30, 28, 24, … What number should come next? A. 20 B. 22 C. 23 D. 26
Look at this series: 22, 21, 23, 22, 24, 23, … What number should come next? A. 22 B. 24 C. 25 D. 26
Look at this series: 53, 53, 40, 40, 27, 27, … What number should come next? A. 12 B. 14 C. 27 D. 53
Look at this series: 21, 9, 21, 11, 21, 13, 21, … What number should come next? A. 14 B. 15 C. 21 D. 23
Look at this series: 58, 52, 46, 40, 34, … What number should come next? A. 26 B. 28 C. 30 D. 32
Look at this series: 3, 4, 7, 8, 11, 12, … What number should come next? A. 7 B. 10 C. 14 D. 15
Look at this series: 8, 22, 8, 28, 8, … What number should come next? A. 9 B. 29 C. 32 D. 34
Look at this series: 31, 29, 24, 22, 17, … What number should come next? A. 15 B. 14 C. 13 D. 12
Look at this series: 1.5, 2.3, 3.1, 3.9, … What number should come next? A. 4.2 B. 4.4 C. 4.7 D. 5.1
Look at this series: 14, 28, 20, 40, 32, 64, … What number should come next? A. 52 B. 56 C. 96 D. 128
Look at this series: 2, 4, 6, 8, 10, … What number should come next? A. 11 B. 12 C. 13 D. 14
Look at this series: 201, 202, 204, 207, … What number should come next? A. 205 B. 208 C. 210 D. 211
Look at this series: 544, 509, 474, 439, … What number should come next? A. 404 B. 414 C. 420 D. 445
Look at this series: 80, 10, 70, 15, 60, … What number should come next? A. 20 B. 25 C. 30 D. 50
Look at this series: 2, 6, 18, 54, … What number should come next? A. 108 B. 148 C. 162 D. 216
Look at this series: 5.2, 4.8, 4.4, 4, … What number should come next? A. 3 B. 3.3 C. 3.5 D. 3.6
Look at this series: 8, 6, 9, 23, 87 , … What number should come next? A. 128 B. 226 C. 324 D. 429
Directions to Solve Look carefully for the pattern, and then choose which pair of numbers comes next. Type 2
28 25 5 21 18 5 14 A. 11 5 B. 10 7 C. 11 8 D. 5 10 E. 10 5
8 11 21 15 18 21 22 A. 25 18 B. 25 21 C. 25 29 D. 24 21 E. 22 26
9 16 23 30 37 44 51 A. 59 66 B. 56 62 C. 58 66 D. 58 65 E. 54 61
2 8 14 20 26 32 38 A. 2 46 B. 44 50 C. 42 48 D. 40 42 E. 32 26
9 11 33 13 15 33 17 A. 19 33 B. 33 35 C. 33 19 D. 15 33 E. 19 21
2 3 4 5 6 4 8 A. 9 10 B. 4 8 C. 10 4 D. 9 4 E. 8 9
17 17 34 20 20 31 23 A. 26 23 B. 34 20 C. 23 33 D. 27 28 E. 23 28
6 20 8 14 10 8 12 A. 14 10 B. 2 18 C. 4 12 D. 2 14 E. 14 14
21 25 18 29 33 18 A. 43 18 B. 41 44 C. 37 18 D. 37 41 E. 38 41
75 65 85 55 45 85 35 A. 25 15 B. 25 85 C. 35 25 D. 85 35 E. 25 75
11 16 21 26 31 36 41 A. 47 52 B. 46 52 C. 45 49 D. 46 51
3 8 13 18 23 28 33 A. 39 44 B. 38 44 C. 38 43 D. 37 42 E. 33 38
84 78 72 66 60 54 48 A. 44 34 B. 42 36 C. 42 32 D. 40 34 E. 38 32
20 20 17 17 14 14 11 A. 8 8 B. 11 11 C. 11 14 D. 8 9 E. 11 8
61 57 50 61 43 36 61 A. 29 61 B. 27 20 C. 31 61 D. 22 15 E. 29 22
9 12 11 14 13 16 15 A. 14 13 B. 18 21 C. 14 17 D. 12 13 E. 18 17
4 8 22 12 16 22 20 24 A. 28 32 B. 28 22 C. 22 28 D. 32 36 E. 22 26
40 40 31 31 22 22 13 A. 13 4 B. 13 5 C. 4 13 D. 9 4 E. 4 4
1 10 7 20 13 30 19 A. 26 40 B. 29 36 C. 40 25 D. 25 31 E. 40 50
10 20 25 35 40 50 55 A. 70 65 B. 60 70 C. 60 75 D. 60 65 E. 65 70
Directions to Solve Look carefully for the pattern, and then choose which pair of numbers comes next. Type 3
1. 42 40 38 35 33 31 28 A. 25 22 B. 26 23 C. 26 24 D. 25 23 E. 26 22
6 10 14 18 22 26 30 A. 36 40 B. 33 37 C. 38 42 D. 34 36 E. 34 38
8 12 9 13 10 14 11 A. 14 11 B. 15 12 C. 8 15 D. 15 19 E. 8 5
36 31 29 24 22 17 15 A. 13 11 B. 10 5 C. 13 8 D. 12 7 E. 10 8
3 5 35 10 12 35 17 A. 22 35 B. 35 19 C. 19 35 D. 19 24 E. 22 24
13 29 15 26 17 23 19 A. 21 23 B. 20 21 C. 20 17 D. 25 27 E. 22 20
14 14 26 26 38 38 50 A. 60 72 B. 50 62 C. 50 72 D. 62 62 E. 62 80
44 41 38 35 32 29 26 A. 24 21 B. 22 19 C. 23 19 D. 29 32 E. 23 20
34 30 26 22 18 14 10 A. 8 6 B. 6 4 C. 14 18 D. 6 2 E. 4 0
32 31 32 29 32 27 32 A. 25 32 B. 31 32 C. 29 32 D. 25 30 E. 29 30
7 9 66 12 14 66 17 A. 19 66 B. 66 19 C. 19 22 D. 20 66 E. 66 20
3 8 10 15 17 22 24 A. 26 28 B. 29 34 C. 29 31 D. 26 31 E. 26 32
4 7 26 10 13 20 16 A. 14 4 B. 14 17 C. 18 14 D. 19 13 E. 19 14
32 29 26 23 20 17 14 A. 11 8 B. 12 8 C. 11 7 D. 32 29 E. 10 9
16 26 56 36 46 68 56 A. 80 66 B. 64 82 C. 66 80 D. 78 68 E. 66 82
2 44 4 41 6 38 8 A. 10 12 B. 35 32 C. 34 9 D. 35 10 E. 10 52
17 32 19 29 21 26 23 A. 25 25 B. 20 22 C. 23 25 D. 25 22 E. 27 32
17 14 14 11 11 8 8 A. 8 5 B. 5 2 C. 8 2 D. 5 5 E. 5 8
10 34 12 31 14 28 16 A. 25 18 B. 30 13 C. 19 26 D. 18 20 E. 25 22
11 14 14 17 17 20 20 A. 23 23 B. 23 26 C. 21 24 D. 24 24 E. 24 27
Directions to Solve Find the number that fits somewhere into the middle of the series. Some of the items involve both numbers and letters Type 4
Look at this series: F2, __, D8, C16, B32, … What number should fill the blank? A. A16 B. G4 C. E4 D. E3
Look at this series: 664, 332, 340, 170, ____, 89, … What number should fill the blank? A. 85 B. 97 C. 109 D. 178
Look at this series: V, VIII, XI, XIV, __, XX, … What number should fill the blank? A. IX B. XXIII C. XV D. XVII
Look at this series: 70, 71, 76, __, 81, 86, 70, 91, … What number should fill the blank? A. 70 B. 71 C. 80 D. 96
Look at this series: 8, 43, 11, 41, __, 39, 17, … What number should fill in the blank? A. 8 B. 14 C. 43 D. 44
Look at this series: VI, 10, V, 11, __, 12, III, … What number should fill the blank? A. II B. IV C. IX D. 14
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
Look at this series: 83, 73, 93, 63, __, 93, 43, … What number should fill the blank? A. 33 B. 53 C. 73 D. 93
Look at this series: 15, __, 27, 27, 39, 39, … What number should fill the blank? A. 51 B. 39 C. 23 D. 15
Look at this series: 72, 76, 73, 77, 74, __, 75, … What number should fill the blank? A. 70 B. 71 C. 75 D. 78
Look at this series: J14, L16, __, P20, R22, … What number should fill the blank? A. S24 B. N18 C. M18 D. T24
Look at this series: 4, 7, 25, 10, __, 20, 16, 19, … What number should fill the blank? A. 13 B. 15 C. 20 D. 28
Look at this series: XXIV, XX, __, XII, VIII, … What number should fill the blank? A. XXII B. XIII C. XVI D. IV
Look at this series: 0.15, 0.3, ____, 1.2, 2.4, … What number should fill the blank? A. 4.8 B. 0.006 C. 0.6 D. 0.9
Look at this series: U32, V29, __, X23, Y20, … What number should fill the blank? A. W26 B. W17 C. Z17 D. Z26