1
What comes next: 108, 120, 132, 144, __ =
2
Fill in: 16, 24, 32, 40, 48, __ =
3
What comes next: 99, 90, 81, 72, __ =
4
What comes next: 112, 105, 98, 91, __ =
5
Fill in: 22, 33, 44, 55, 66, __ =
6
What comes next: 198, 187, 176, 165, __ =
7
7, 18, 29, 40. What is the rule? =
8
10, 18, 26, 34. What is the rule? =
9
Fill in: 21, 28, 35, 42, 49, __ =
10
Fill in: 0, 11, 22, 33, 44, __ =
11
What comes next: 48, 60, 72, 84, __ =
12
4, 11, 18, 25. What is the rule? =
13
What comes next: 66, 77, 88, 99, __ =
14
Fill in the blanks: 2, __, 20, __, 38 =
15
Fill in the blanks: 10, 21, 32, __, __ =
16
Fill in: 21, 28, 35, 42, 49, __ =
17
35, 27, 19, 11. What is the rule? =
18
Fill in the blanks: 10, 19, __, __, 46 =
19
Fill in the blanks: 1, 10, __, __, 37 =
20
Fill in the blanks: 9, __, __, 33, 41 =