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Puzzle posted by Merry

+6 votes
Which Letter replaces the question mark.
posted Jan 29, 2014
  • puzzle
+7 votes
Puzzle: 100-story building, identify the lowest floor for which a marble will break?
posted Jan 28, 2014
  • logic
  • data structures
0 votes
What number should fill the blank F2, __, D8, C16, B32, ...
posted Jan 28, 2014
  • puzzle
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