1
What comes next: 51, 54, 57, 60, __ =
2
What comes next: 90, 84, 78, 72, __ =
3
2, 5, 8, 11. What is the rule? =
4
What comes next: 28, 32, 36, 40, __ =
5
66, 60, 54, 48. What is the rule? =
6
What comes next: 36, 42, 48, 54, __ =
7
What comes next: 57, 60, 63, 66, __ =
8
Fill in: 0, 6, 12, 18, 24, __ =
9
Fill in: 0, 3, 6, 9, 12, __ =
10
What comes next: 72, 66, 60, 54, __ =
11
What comes next: 27, 30, 33, 36, __ =
12
What comes next: 90, 84, 78, 72, __ =
13
What comes next: 90, 84, 78, 72, __ =
14
What comes next: 51, 48, 45, 42, __ =
15
What comes next: 60, 56, 52, 48, __ =
16
Fill in: 6, 9, 12, 15, 18, __ =
17
1, 7, 13, 19. What is the rule? =
18
2, 6, 10, 14. What is the rule? =
19
What comes next: 48, 44, 40, 36, __ =
20
Fill in: 12, 18, 24, 30, 36, __ =