1. 4, 8, 16, 32, ?
a) 60
b) 62
c) 64
d) 66
Answer: 64
2. 1, 3, 7, 15, ?
a) 31
b) 29
c) 32
d) 30
Answer: 31
3. 6, 12, 24, 48, ?
a) 90
b) 92
c) 96
d) 100
Answer: 96
4. 2, 5, 9, 14, ?
a) 20
b) 18
c) 19
d) 21
Answer: 20
5. 1, 4, 9, 16, ?
a) 20
b) 24
c) 25
d) 26
Answer: 25
6. 3, 6, 9, 12, ?
a) 18
b) 15
c) 16
d) 14
Answer: 15
7. 5, 10, 20, 40, ?
a) 70
b) 80
c) 90
d) 75
Answer: 80
8. 2, 3, 5, 8, 13, ?
a) 19
b) 20
c) 21
d) 22
Answer: 21
9. 7, 14, 21, 28, ?
a) 34
b) 35
c) 36
d) 37
Answer: 35
10. 9, 18, 36, 72, ?
a) 144
b) 140
c) 150
d) 160
Answer: 144
11. 1, 2, 4, 7, 11, ?
a) 16
b) 15
c) 14
d) 17
Answer: 15
12. 3, 9, 27, 81, ?
a) 220
b) 240
c) 243
d) 260
Answer: 243
13. 2, 6, 12, 20, ?
a) 28
b) 30
c) 32
d) 26
Answer: 30
14. 5, 15, 45, 135, ?
a) 405
b) 390
c) 420
d) 400
Answer: 405
15. 4, 9, 16, 25, ?
a) 35
b) 36
c) 37
d) 38
Answer: 36
16. 1, 1, 2, 3, 5, ?
a) 6
b) 7
c) 8
d) 9
Answer: 8
17. 6, 11, 16, 21, ?
a) 25
b) 26
c) 27
d) 28
Answer: 26
18. 2, 4, 8, 16, ?
a) 28
b) 32
c) 30
d) 34
Answer: 32
19. 3, 5, 9, 17, ?
a) 31
b) 30
c) 32
d) 33
Answer: 31
20. 10, 20, 40, 80, ?
a) 140
b) 160
c) 150
d) 180
Answer: 160
21. 1, 3, 6, 10, ?
a) 14
b) 15
c) 16
d) 13
Answer: 15
22. 2, 5, 10, 17, ?
a) 24
b) 25
c) 26
d) 27
Answer: 26
23. 7, 10, 16, 25, ?
a) 36
b) 39
c) 40
d) 41
Answer: 41
24. 1, 4, 9, 16, ?
a) 24
b) 26
c) 25
d) 27
Answer: 25
25. 3, 6, 12, 24, ?
a) 48
b) 46
c) 50
d) 52
Answer: 48
26. 5, 10, 15, 20, ?
a) 24
b) 25
c) 26
d) 27
Answer: 25
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27. 2, 3, 6, 12, ?
a) 20
b) 22
c) 24
d) 26
Answer: 24
28. 9, 18, 27, 36, ?
a) 42
b) 45
c) 48
d) 54
Answer: 45
29. 4, 8, 12, 16, ?
a) 18
b) 20
c) 22
d) 24
Answer: 20
30. 1, 2, 3, 5, 8, ?
a) 11
b) 12
c) 13
d) 14
Answer: 13
31. 6, 12, 18, 24, ?
a) 28
b) 30
c) 32
d) 34
Answer: 30
32. 2, 5, 11, 23, ?
a) 45
b) 46
c) 47
d) 48
Answer: 47
33. 3, 9, 27, 81, ?
a) 240
b) 243
c) 250
d) 260
Answer: 243
34. 1, 2, 4, 8, ?
a) 12
b) 14
c) 16
d) 18
Answer: 16
35. 7, 14, 28, 56, ?
a) 100
b) 108
c) 110
d) 112
Answer: 112
36. 5, 15, 45, 135, ?
a) 390
b) 405
c) 420
d) 400
Answer: 405
37. 4, 9, 16, 25, ?
a) 36
b) 35
c) 38
d) 40
Answer: 36
38. 1, 3, 7, 15, ?
a) 30
b) 31
c) 32
d) 33
Answer: 31
39. 2, 4, 12, 48, ?
a) 180
b) 190
c) 192
d) 200
Answer: 192
40. 6, 11, 16, 21, ?
a) 25
b) 26
c) 27
d) 28
Answer: 26
41. 1, 4, 9, 16, ?
a) 24
b) 25
c) 26
d) 27
Answer: 25
42. 3, 6, 12, 24, ?
a) 48
b) 46
c) 50
d) 44
Answer: 48
43. 2, 5, 9, 14, ?
a) 20
b) 19
c) 21
d) 22
Answer: 20
44. 5, 10, 20, 40, ?
a) 70
b) 80
c) 90
d) 75
Answer: 80
45. 1, 2, 4, 7, 11, ?
a) 16
b) 14
c) 15
d) 17
Answer: 15
46. 3, 5, 9, 17, ?
a) 31
b) 30
c) 33
d) 34
Answer: 31
47. 7, 14, 21, 28, ?
a) 35
b) 34
c) 36
d) 37
Answer: 35
48. 2, 3, 5, 8, 13, ?
a) 19
b) 20
c) 21
d) 22
Answer: 21
49. 4, 8, 16, 32, ?
a) 60
b) 64
c) 62
d) 66
Answer: 64
50. 1, 3, 6, 10, ?
a) 14
b) 15
c) 16
d) 13
Answer: 15
