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by:  Erik Oosterwal

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Crossing the Bridge - Solution

Man 1 and Man 2 cross together with the flashlight (takes 2 minutes).

Man 1 returns to the original side (takes 1 minute).

Man 3 and Man 4 cross together with the flashlight (takes 10 minutes).

Man 2 returns to the original side (takes 2 minutes).

Man 1 and Man 2 cross together with the flashlight (takes 2 minutes).

Adding all the times together (2+1+10+2+2) provides a total time of 17 minutes.

All original puzzles and solutions are © Erik Oosterwal 1993-2008

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