1
What comes next: 144, 132, 120, 108, __ =
2
Fill in: 24, 36, 48, 60, 72, __ =
3
What comes next: 121, 110, 99, 88, __ =
4
Fill in: 0, 12, 24, 36, 48, __ =
5
37, 30, 23, 16. What is the rule? =
6
Fill in the blanks: 5, __, 27, 38, __ =
7
What comes next: 80, 88, 96, 104, __ =
8
Fill in the blanks: 4, 16, __, 40, __ =
9
89, 82, 75, 68. What is the rule? =
10
Fill in the blanks: 5, 16, __, 38, __ =
11
Fill in: 0, 12, 24, 36, 48, __ =
12
59, 51, 43, 35. What is the rule? =
13
Fill in: 18, 27, 36, 45, 54, __ =
14
5, 14, 23, 32. What is the rule? =
15
Fill in the blanks: 2, __, 20, __, 38 =
16
81, 70, 59, 48. What is the rule? =
17
Fill in: 27, 36, 45, 54, 63, __ =
18
What comes next: 96, 104, 112, 120, __ =
19
Fill in: 0, 8, 16, 24, 32, __ =
20
Fill in: 0, 7, 14, 21, 28, __ =