1
Fill in: 2, 4, 6, 8, 10, __ =
2
Fill in: 10, 15, 20, 25, 30, __ =
3
What comes next: 14, 16, 18, 20, __ =
4
What comes next: 32, 30, 28, 26, __ =
5
What comes next: 12, 17, 22, 27, __ =
6
What comes next: 85, 80, 75, 70, __ =
7
Fill in: 15, 20, 25, 30, 35, __ =
8
4, 6, 8, 10. What is the rule? =
9
What comes next: 65, 60, 55, 50, __ =
10
9, 11, 13, 15. What is the rule? =
11
1, 11, 21, 31. What is the rule? =
12
Fill in: 10, 20, 30, 40, 50, __ =
13
58, 56, 54, 52. What is the rule? =
14
What comes next: 17, 19, 21, 23, __ =
15
What comes next: 8, 18, 28, 38, __ =
16
What comes next: 13, 18, 23, 28, __ =
17
What comes next: 5, 10, 15, 20, __ =
18
Fill in: 2, 4, 6, 8, 10, __ =
19
Fill in: 0, 10, 20, 30, 40, __ =
20
What comes next: 9, 11, 13, 15, __ =