You probably know the little riddle about the dog, the carrot and the rabbit that need to be transported to the other side of the river. The problem is that their owner can take only one of them on each trip across the river (it was a very big carrot! 
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When the dog and rabbit are left unattended, the dog devours the rabbit. And when the carrot and the rabbit are left unattended, the rabbit eats the carrot.
How can the rabbit, the dog and the carrot be transferred safely to the bank on the other side of the river?
If you haven’t heard this one, take a few moments to try solving it before you read on.
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The solution is to take the rabbit on the first trip, go back and take the carrot. Then take the rabbit BACK to the original bank, leave it there and take the dog. On the last trip, the rabbit is taken to the other bank and the owner can continue his journey with all three.
