,
1.
What number should come next in the sequence: 1, 3, 6, 10, 15, ...?
21
20
22
23
2.
What number comes next: 5, 10, 20, 35, 55, ...?
80
85
90
95
3.
What comes next in the sequence: 1, 3, 8, 19, 42, ...?
89
90
91
92
4.
Complete the series: 1, 4, 9, 16, 25, 36, 49, ...?
64
65
66
67
5.
Continue the series: 1, 1, 2, 3, 5, 8, ...?
11
12
13
14
6.
What number should come next in the sequence: 2, 5, 9, 14, 20, ...?
27
28
29
30
7.
What's the next number in the sequence: 4, 6, 10, 18, 34, ...?
64
66
68
70
8.
What number should come next in the sequence: 1, 5, 17, 53, 161, ...?
485
486
487
488
9.
Continue the sequence: 1, 4, 13, 40, 121, ...?
364
365
366
367
10.
Complete the series: 1, 2, 6, 24, 120, ...?
720
721
722
723
Questions Answered: 0/10
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