A shepherd needs to cross a river with a wolf, a goat, and a cabbage. His boat can carry only himself and one item at a time. If left unattended, the wolf will eat the goat, and the goat will eat the cabbage. How many one-way river crossings must the shepherd make to transport all three safely to the other side?
7 crossings
Take goat across (1). Return alone (2). Take wolf across (3). Bring goat back (4). Take cabbage across (5). Return alone (6). Take goat across (7). Total of 7 one-way trips.
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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