Sequence Test

Easy level

This level will only have simple sequences, all answers are guaranteed to have at most 3 digits. If you want to select which tests are used, you can set up a custom exercise.

Scoring

You get one point for every correct answer, unlike the math test there is no negative score.

Manual

The answer to the sequenence and it's explaination will be printed right next to it in the site's background color. You can use CTRL+A, Command+A or mouse select all to show it. Custom tests will offer more control over the test.

Questions
1) 9, 11, 15, 23 39 (2 * previous - 7)
2) 6, 13, 27, 55 111 (2 * previous + 1)
3) 6, 7, 11, 20 36 (previous + ^2 of place in sequence)
4) 14, 15, 19, 28 44 (previous + ^2 of place in sequence)
5) 5, 6, 10, 19 35 (previous + ^2 of place in sequence)
6) 2, 2, 2, 2 2 (5 * previous - 8)
7) 4, 6, 9, 14 21 (previous + next prime number)
8) 3, 6, 15, 42 123 (3 * previous - 3)
9) 1, 2, 6, 15 31 (previous + ^2 of place in sequence)
10) 7, 8, 12, 21 37 (previous + ^2 of place in sequence)
11) 13, 15, 18, 23 30 (previous + next prime number)
12) 11, 13, 16, 21 28 (previous + next prime number)
13) 8, 9, 13, 22 38 (previous + ^2 of place in sequence)
14) 14, 16, 19, 24 31 (previous + next prime number)
15) 11, 26, 56, 116 236 (2 * previous + 4)
16) 6, 8, 11, 16 23 (previous + next prime number)
17) 16, 17, 21, 30 46 (previous + ^2 of place in sequence)
18) 13, 15, 18, 23 30 (previous + next prime number)
19) 11, 18, 32, 60 116 (2 * previous - 4)
20) 5, 19, 47, 103 215 (2 * previous + 9)
21) 14, 16, 19, 24 31 (previous + next prime number)
22) 8, 21, 47, 99 203 (2 * previous + 5)
23) 4, 5, 9, 18 34 (previous + ^2 of place in sequence)
24) 4, 6, 9, 14 21 (previous + next prime number)
25) 3, 9, 39, 189 939 (5 * previous - 6)


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