A farmer has a fox, a duck, and a goose. He needs to ford a river and can carry only one thing with him as he crosses. If left alone, the fox will eat the goose, and the goose will eat the corn. How can the farmer safely get all three things across the river?
Answer:
The farmer takes the goose across first. He comes back and takes either the corn or the fox. He must then bring the goose back. He leaves the goose while he carries the corn or the fox across (whichever is left), then comes back for the goose.
Answer:
The farmer takes the goose across first. He comes back and takes either the corn or the fox. He must then bring the goose back. He leaves the goose while he carries the corn or the fox across (whichever is left), then comes back for the goose.
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