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Photographic memory test

  • The following table contains 16 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 16 symbols will be generated. Your task is to locate the symbol in the table.
Number of columns:
204
193
198
47
90
84
139
93
123
121
255
155
24
161
164
202
glyphicon-copy
glyphicon-sound-7-1
glyphicon-tree-conifer
glyphicon-tags
glyphicon-info-sign
glyphicon-chevron-right
glyphicon-filter
glyphicon-ok-circle
glyphicon-bullhorn
glyphicon-resize-horizontal
glyphicon-menu-down
glyphicon-sort-by-attributes
glyphicon-cog
glyphicon-log-in
glyphicon-new-window
glyphicon-open-file
1234
5678
9101112
13141516

Maths tricks