The next IQ tests are on April 18th, 2026 (official tests for grown-ups & teenagers), with mandatory registration via the form.

Online IQ test

This test will not calculate an IQ, it will indicate if you could possibly pass the real Mensa test. You should finish this test within 20 minutes. Click onto the "FINISHED" button to calculate your result.

TEST STARTS HERE

1- 8

Complete each row using the number or letter that logically follows.

Answers
1) a, d, g, j
2) 1, 3, 6, 10
3) 1, 1, 2, 3, 5
4) 21, 20, 18, 15, 11
5) 8, 6, 7, 5, 6, 4
6) 65536, 256, 16
7) 1, 0, -1, 0
8) 3968, 63, 8, 3
9- 18

Chose one element from the right (A, B, C, D) that logically completes the list on the left.

9)
A B C D
10)
A B C D
11)
A B C D
12)
A B C D
13)
A B C D
14)
A B C D
15)
A B C D
16)
A B C D
17)
A B C D
18)
A B C D
19- 22

Two out of four elements are missing. Choose two symbols on the right that logically complete the list.

19)
A B C D E
20)
A B C D E
21)
A B C D E
22)
A B C D E
23- 26

One element on the left is missing. Choose the correct symbol from the right to complete the series.

23)
A B C D
24)
A B C D
25)
A B C D
26)
A B C D
27- 33

Choose the element from the right that fits the free field on the left (dashed fields are hidden elements).

27)
a b c d
28)
a b c d
29)
a b c d
30)
a b c d
31)
a b c d
32)
a b c d
33)
a b c d

END OF TEST

Click "FINISHED" when done. The result will be displayed in the text box below.