A farmer needs to cross a river with a wolf, a goat, and a cabbage. The boat can only hold the farmer and one item at a time. If left unattended, the wolf eats the goat, and the goat eats the cabbage. How can the farmer cross with all three in the fewest possible one-way boat trips?
7 one-way trips
1. Take the goat across (leave wolf and cabbage). 2. Return alone. 3. Take the wolf across. 4. Bring the goat back. 5. Take the cabbage across. 6. Return alone. 7. Take the goat across. Total one-way trips equals 7.
About this riddle
Logic riddles give you a few facts and ask what must be true. List what you know, cross out what cannot be, and see what is left.
Difficulty: Medium. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
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