1
What comes next: 126, 117, 108, 99, __ =
2
Fill in the blanks: 6, 14, __, __, 38 =
3
What comes next: 135, 144, 153, 162, __ =
4
What comes next: 216, 204, 192, 180, __ =
5
Fill in the blanks: 1, __, 17, 25, __ =
6
Fill in the blanks: 10, __, 34, 46, __ =
7
75, 66, 57, 48. What is the rule? =
8
Fill in the blanks: 1, __, 15, __, 29 =
9
What comes next: 77, 84, 91, 98, __ =
10
8, 20, 32, 44. What is the rule? =
11
Fill in the blanks: 9, __, __, 42, 53 =
12
What comes next: 99, 88, 77, 66, __ =
13
What comes next: 128, 120, 112, 104, __ =
14
Fill in the blanks: 6, 17, 28, __, __ =
15
What comes next: 64, 72, 80, 88, __ =
16
Fill in: 36, 48, 60, 72, 84, __ =
17
Fill in: 0, 9, 18, 27, 36, __ =
18
6, 18, 30, 42. What is the rule? =
19
Fill in: 0, 8, 16, 24, 32, __ =
20
8, 17, 26, 35. What is the rule? =