LC-20
Numerical IQ Test
Designer: Mauricio D. Chau
Type: Numerical
Released: 25 February 2023
• LC-20 consists of 20 numerical items (sequences and puzzles).
–Items are not strictly ordered by difficulty–
• 100% culture fair.
• It’s an untimed test, but I recommend that you complete it within ~3hours.
• 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 [email protected] (Scoring + Certificate).
• Submission:
Full name:
Country:
Age:
Some prior IQ scores:
Send your answers to: [email protected]
• Two attempts are allowed.
• I will respond as quickly as possible, usually, within 72 hours.
The Test:
1) 1, 1, 1, 2, 1, 4, 1, 7, 2, 1, 2, 6, 3, ?
2) 1000, 1001, 0110, 0010, ?
3) 4, 8, 11, 6, 12, 15, 10, 20, 23, ?
4) 183, 492, 761, 834, 927, 618, ?
5) 14, 91, 62, ?, 64, 96, 48, ?
6) 236 517 ?79
164 182 3?6
176 945 75?
*Please see PDF!
7) 19, 172 - 320, 54, 519, ?
8) 315 = 414; 636 = 594; 369 = 945; 777 = ?
9) / // //// / /// \//// / //// \\\/ / \ ?
10) 12, 49, 352, 1410, 9874, 39500, ?
11) 17, 31, 37, 51, 61, 73, ?
12) 47, 121, 968, 5511, 39996, ?
13) 16, 144, 576, 1344, ?, 2016
14) 691832574, 33512972, 2938738, 973152, 27158, ?
15) 222, 933, 374, 448, 525, 963, ?
16) 6, 16, 49, 102, 307, 618, ?
17) 15 : 105 :: 36 : 565 ::: 43 : 7778 :::: 52 : ?
18) 10101, 11001, 10020, 01110, 10011, 20100, 02100, 00030, 02001, ?
19) 111, 444, 1776, 5907, 52995, ?
20) 0, 9, 68, 205, 414, 2492, ?