A farmer must transport a wolf, a goat, and a cabbage across a river using a boat that can only hold himself and one item. If left unattended, the wolf will eat the goat, or the goat will eat the cabbage. What is the minimum number of one-way river trips required?
7
1) Goat across. 2) Farmer returns alone. 3) Wolf across. 4) Farmer returns with Goat. 5) Cabbage across. 6) Farmer returns alone. 7) Goat across. Total = 7 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: Medium. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
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