1
What comes next: 90, 99, 108, 117, __ =
2
65, 54, 43, 32. What is the rule? =
3
Fill in: 24, 32, 40, 48, 56, __ =
4
What comes next: 180, 192, 204, 216, __ =
5
What comes next: 136, 128, 120, 112, __ =
6
42, 35, 28, 21. What is the rule? =
7
10, 21, 32, 43. What is the rule? =
8
Fill in the blanks: 1, 9, 17, __, __ =
9
9, 17, 25, 33. What is the rule? =
10
What comes next: 228, 216, 204, 192, __ =
11
Fill in the blanks: 10, __, 34, __, 58 =
12
Fill in: 0, 12, 24, 36, 48, __ =
13
Fill in the blanks: 8, __, 24, __, 40 =
14
What comes next: 153, 144, 135, 126, __ =
15
83, 72, 61, 50. What is the rule? =
16
Fill in: 11, 22, 33, 44, 55, __ =
17
Fill in: 24, 36, 48, 60, 72, __ =
18
What comes next: 104, 96, 88, 80, __ =
19
4, 13, 22, 31. What is the rule? =
20
What comes next: 105, 98, 91, 84, __ =