1
What comes next: 180, 189, 198, 207, __ =
2
What comes next: 24, 32, 40, 48, __ =
3
Fill in: 7, 14, 21, 28, 35, __ =
4
Fill in the blanks: 6, __, __, 27, 34 =
5
What comes next: 54, 63, 72, 81, __ =
6
Fill in the blanks: 4, __, 18, __, 32 =
7
Fill in: 18, 27, 36, 45, 54, __ =
8
Fill in: 0, 7, 14, 21, 28, __ =
9
Fill in the blanks: 2, __, __, 26, 34 =
10
Fill in: 0, 12, 24, 36, 48, __ =
11
Fill in: 27, 36, 45, 54, 63, __ =
12
3, 11, 19, 27. What is the rule? =
13
Fill in: 18, 27, 36, 45, 54, __ =
14
32, 25, 18, 11. What is the rule? =
15
What comes next: 110, 99, 88, 77, __ =
16
What comes next: 140, 147, 154, 161, __ =
17
94, 86, 78, 70. What is the rule? =
18
Fill in the blanks: 8, 17, __, __, 44 =
19
1, 8, 15, 22. What is the rule? =
20
Fill in the blanks: 9, 17, 25, __, __ =