A shepherd needs to cross a river with a wolf, a goat, and a cabbage. The boat can only hold the shepherd and one item at a time. If left unattended, the wolf eats the goat, and the goat eats the cabbage. How many one-way trips across the river must the shepherd make in total to transport all three safely?
7 one-way trips
The shepherd takes the goat across first (1), returns alone (2), takes either the wolf or cabbage across (3), brings the goat back with him (4), takes the cabbage or wolf across (5), returns alone (6), and finally takes the goat across for the last time (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: Easy. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
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