MAGIC TRICK

The following magic trick involves guessing a number. The subject selects a number between 1 and 63. The subject notes which of the six cards shown below have the selected number and tells the magician what these cards are. For example, if 21 is the selected number, the subject tells the magician that the number is found on cards A, D, and E. The magician immediately tells the subject what number was selected.

CARD  A

CARD  B

CARD  C

4 5 6 7 12 13 14 15 8 9 10 11 12 13 14 15 2 3 6 7 10 11 14 15
20 21 22 23 28 29 30 31 24 25 26 27 28 29 30 31 18 19 22 23 26 27 30 31
36 37 38 39 44 45 46 47 40 41 42 43 44 45 46 47 34 35 38 39 42 43 46 47
52 53 54 55 60 61 62 63 56 57 58 59 60 61 62 63 50 51 54 55 58 59 62 63

CARD  D

CARD  E

CARD  F

16 17 18 19 20 21 22 23 1 3 5 7 9 11 13 15 32 33 34 35 36 37 38 39
24 25 26 27 28 29 30 31 17 19 21 23 25 27 29 31 40 41 42 43 44 45 46 47
48 49 50 51 52 53 54 55 33 35 37 39 41 43 45 47 48 49 50 51 52 53 54 55
56 57 58 59 60 61 62 63 49 51 53 55 57 59 61 63 56 57 58 59 60 61 62 63

Supplemental Material for ELEN 021, Logic Design

(c) Copyright 1997 Sally L, Wood