"Quiz For My Smart Friends" joke

This is a quiz to see if you should be considered a 'professional smart person' by your friends.
You can scroll down for answers. There are 4 questions. They are not that difficult.
1)How do you put an elephant into a refridgerator?
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Answer: Open the door, put in the elephant, and close the door.
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2)How do you put a giraffe into a refridgerator?
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Answer: Open the door, take out the elephant, put in the giraffe, and close the door.
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3)The animals are having an animal meeting. All the animals attend except for one. Which one does not attend?
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Answer:The giraffe. The giraffe is in the refridgerator.
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4)You must cross a crocodile-infested river. How do you manage it?
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Answer:You swim across. All of the animals are attending the animal meeting.