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A man started to town with a fox, a goose and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

Answer He took the goose over first and came back. Then he took the fox across and brought the goose back. Next he took the corn over. He came back alone and took the goose.