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what is the maximum number of edges you can trace across if you never trace across the same edge twice ?

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If you take a marker & start from a corner on a cube, what is the maximum number of edges you can trace across if you never trace across the same edge twice, never remove the marker from the cube, & never trace anywhere on the cube, except for the corners & edges ?

posted Nov 10, 2013 by Vikas Upadhyay

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I think it should be 9 but not sure...
commented Nov 10, 2013 by Salil Agrawal

1 Answer (Check Answer ▼)





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