Logical Chains
High Range IQ Test
Designer: Mauricio D. Chau
Type: Numerical
Released: 24 July 2022
• Logical Chains consists of 32 numerical items (sequences and puzzles).
–Items are not strictly ordered by difficulty–
• Pure culture fair + Only a very few prime numbers items.
• It’s an untimed test, but I recommend that you complete it within ~5 hours.
• References are allowed.
• A calculator is allowed.
–Please, work alone. Do not discuss, share or publish solutions at any time with anyone–
• Fee: 12 USD, payments via PayPal sent to mauriciodchau77@gmail.com (Scoring + Certificate).
• Submission:
• Two attempts are allowed.
• I will respond as quickly as possible, usually, within 72 hours.
Type: Numerical
Released: 24 July 2022
• Logical Chains consists of 32 numerical items (sequences and puzzles).
–Items are not strictly ordered by difficulty–
• Pure culture fair + Only a very few prime numbers items.
• It’s an untimed test, but I recommend that you complete it within ~5 hours.
• References are allowed.
• A calculator is allowed.
–Please, work alone. Do not discuss, share or publish solutions at any time with anyone–
• Fee: 12 USD, payments via PayPal sent to mauriciodchau77@gmail.com (Scoring + Certificate).
• Submission:
- Full name:
- Country:
- Age:
- Some prior IQ scores:
• Two attempts are allowed.
• I will respond as quickly as possible, usually, within 72 hours.
The Test
1) 1, 3, 7, 13, 21, 31, ?
2) 3, 6, 13, 28, 59, 122, ?
3) 123, 645, 897, 101, 112, 151, 314, 171, ?
4) 1, 4, 11, 13, 16, 23, 25, 28, 35, ?
5) 37, 47, 58, 71, 79, 95, 109, 119, ?
6) 16, 37, 78, 157, 320, 643, ?
7) 111, 112, 412, 138, 562, 388, 2613, ?
8) 3, 5, 17, 33, 129, 257, ?
9) 33, 99, 111, 777, 1111, 3333, 7777, ?
10) 431, 245, 653, 467, 875, 689, 1097, 81011, ?
11) 1, 2, 3, 5, 8, 11, 15, 20, ?, 31, 38, 45, 53, ?
12) I2, V7, ?, L52, M1004
13) 111, 122, 314, 174, 521, 266, ?
14) 121, 112, 212, 231, 215, 182, 1312, 2211, ?
15) 12, 11, 44, 16, ?, 96, 22, ?, 56, 28, 93, ?
16) 1986, 5717, 1149, 3323, 3921, 2747, ?
17) 00000, 00000, 99999, 99991, 11111, 11888, 88882, 22222, 77777, 33336, ?
18) 13, 29, 32, 37, 48, 41, 52, 54, 53, 67, 62, 69, ?
19) 11, 22, 44, 88, 176, 793, 1172, ?
20) E, W, R, F, E, ?, V, I, E, E, V, ?
21) 52, 112, 136, 184, 1168, 9220, 1372, ?
22) 635124, 516234, 562341, 462315, 362514, 564123, ?
23) 167, 161, 169, 168, 183, 180, 189, 181, 191, 190, 200, ?
24) 2, 5, 13, 32, 66, 123, ?
25) 867, ?31, 042, 6?2, 5?4, 15.0
26) 123, 129, 147, 175, 210, ?
27) 94 = 130 : 85 = 145 :: 76 = 89 : 37 = ?
28) 1, 3, 9, 3, 1, 1, ?, 9, 6, 5, 1, 3, 9, ?, 3, 2, 7, 3, 9, 9, 2, 1, 9, 2, ?, 1
29) 25, 56, 132, 234, 408, ?
30) 62, 63, 72, 94, 36, 27, ?
31) abc = 958; def = 544, 450; ghi = 135, 119, ?
32) 14, 27, 53, 79, 131, 181, ?
------------------End of the test------------------