18 June 2011
54. Adding Sticks without forming a Square
How many matchsticks can be added to the structure without forming a square?
A total of 8 matchsticks can be added before a square is formed.
You cannot add a matchstick at the bottom between 3 and 5, that would form a 4X4 square!
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29 December, 2012 05:23
9... The one missing on the botyom
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