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Photographic memory test

  • The following table contains 100 different symbols lying behind those numbers.
  • Reveal the symbols by pressing the Show symbols button.
  • Look at the symbols for a few seconds, and try to remember where each symbol is located in the table.
  • Hide the symbols by pressing the Hide symbols button that will appear once the symbols are visible.
  • Now press the Play button and a random symbol from the 100 symbols will be generated. Your task is to locate the symbol in the table.
Number of columns:
72
252
21
90
202
225
173
46
67
139
251
79
217
47
80
117
99
153
182
131
150
169
243
246
116
73
187
254
3
126
160
1
75
141
66
89
191
216
119
208
223
60
53
120
96
58
108
175
180
172
103
10
22
135
41
37
85
11
181
5
125
29
149
212
157
137
192
174
113
100
204
196
14
70
18
16
59
6
147
219
138
151
36
178
231
128
241
242
55
78
86
91
239
105
9
221
28
81
45
228
glyphicon-move
glyphicon-subscript
glyphicon-zoom-out
glyphicon-info-sign
glyphicon-open-file
glyphicon-yen
glyphicon-floppy-saved
glyphicon-tag
glyphicon-adjust
glyphicon-filter
glyphicon-superscript
glyphicon-forward
glyphicon-apple
glyphicon-tags
glyphicon-fast-forward
glyphicon-shopping-cart
glyphicon-share-alt
glyphicon-sort-by-order
glyphicon-earphone
glyphicon-hand-down
glyphicon-sort
glyphicon-import
glyphicon-object-align-horizontal
glyphicon-object-align-right
glyphicon-retweet
glyphicon-step-backward
glyphicon-hd-video
glyphicon-menu-right
glyphicon-euro
glyphicon-thumbs-up
glyphicon-collapse-up
glyphicon-plus
glyphicon-backward
glyphicon-fullscreen
glyphicon-map-marker
glyphicon-question-sign
glyphicon-sound-5-1
glyphicon-bed
glyphicon-folder-open
glyphicon-king
glyphicon-scissors
glyphicon-align-justify
glyphicon-bold
glyphicon-resize-vertical
glyphicon-arrow-right
glyphicon-align-center
glyphicon-warning-sign
glyphicon-floppy-save
glyphicon-header
glyphicon-floppy-disk
glyphicon-gift
glyphicon-heart
glyphicon-off
glyphicon-circle-arrow-down
glyphicon-volume-off
glyphicon-list-alt
glyphicon-plus-sign
glyphicon-star
glyphicon-compressed
glyphicon-envelope
glyphicon-certificate
glyphicon-road
glyphicon-gbp
glyphicon-knight
glyphicon-unchecked
glyphicon-wrench
glyphicon-sound-6-1
glyphicon-floppy-remove
glyphicon-magnet
glyphicon-resize-full
glyphicon-copy
glyphicon-cloud-download
glyphicon-film
glyphicon-share
glyphicon-ok
glyphicon-th
glyphicon-align-right
glyphicon-pencil
glyphicon-pushpin
glyphicon-hourglass
glyphicon-tasks
glyphicon-sort-by-alphabet
glyphicon-refresh
glyphicon-transfer
glyphicon-option-horizontal
glyphicon-hand-right
glyphicon-object-align-top
glyphicon-object-align-bottom
glyphicon-text-height
glyphicon-stop
glyphicon-minus-sign
glyphicon-screenshot
glyphicon-text-color
glyphicon-fire
glyphicon-search
glyphicon-duplicate
glyphicon-time
glyphicon-step-forward
glyphicon-barcode
glyphicon-ice-lolly
12345678910
11121314151617181920
21222324252627282930
31323334353637383940
41424344454647484950
51525354555657585960
61626364656667686970
71727374757677787980
81828384858687888990
919293949596979899100

Maths tricks