Cogni44 is a high range pattern recognition test consisting of 44 numerical items that should be solved in the most logical and simplest way. There is no time limit, and answers should be carefully thought out. Discussion with others about solutions is not allowed. If there is more than one question mark, it serves as a hint indicating how many digits should be placed there. The items are not arranged in order of difficulty. To receive your score report, please send your solutions to dawid.skrzos@o2.pl along with proof of identity. The test is free of charge.

1) 123, 132, ?, 231, 312, ?, 512

2) 31, 279, 2962, ?, 168781

3) 343, 3777, 15556331, ?, ?, 177781

4) ?/2, 243, 8/?, ?, 9/4, 33554432

5) 5, 22040608, 223000789, ?, 2600206

6) 36, 81, ?, 765947

7) 8, 9, 10111213, ?

8) 1, ?, 8, ?, 64

9) 3345, 1545, 1275, ?

10) 12, 3, 456789, ?

11) 1, 1, 1, ?, ?, 1, ?, 1, ?, 22, ?, 25, 26

12) 789, 11139, ?, 10249

13) 27162, 3581, 6, ?, 1358

14) 12345688, 3579111416, 82246612124, ?

15) 6, 9, 0, 1 : ?, 6901, 36, ?

16) 18529, ?, ?, 52, 9

17) 123456789, 516273849, 012015018, ?, 100101600

18) 3, 6, 12, 204, ?, 681356

19) 57, 57, 33, 11, 77, ?

20) 100100001, 111012000, 100201011, ?

21) 9, 12, 16, ?

22) 1, 23, 24, ?, 4801

23) 33.57, 37, 19, ?, ?, 138

24) 21124-2111=14, 213700/213=0.01, 2134+1111=?

25) 1491, 51310, ?, 10513, 1149

26) L, XII, XLII, ?, XLIII

27) 999, 5128, 16807, 27993, 19312, ?

28) 3815/2, ?, 1/4, 1/411/14, 11/414/55/6

29) 2, 7, 3, 5, 4, 4, 1, ?, 6, 3

30) 147101316, 57237, 192225283, ????

31) 28917, 3238, 358, ?, 2341

32) 63, 65, 66, 72, 76, 85, 88, 90, ?, ?, ?

33) 272, 11297, ?, 1199

34) 1234, 122334, ?, 124000042390000934

35) 1/1, 2/3, ?, 5/8, 13/21

36) 111, 93, 125, ?, 126

37) 1468=1, 9101214=5/2, 15161820=23/8, ?

38) 3/8, 24, 19/2, ??/7

39) 391251642, 78159???74

40) LXV, VDHEF, CZPHR, ?

41) 149162536, 14682759xx3, 1511273648, ?, 11072349586

42) 4, 6.5, 7, 23, ?, 32

43) 7, 497, 200, 4002, 161602, ?

44) 39212429, ??, ??