Want to impress your friends (or at least keep them from falling asleep at their desk)? Try sharing these 6 tricky riddles the next time you or they are in need of a pick-me-up in the middle of the day – or any time at all!

#6. Find XX.

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#6. What should replace the XX?

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#5.

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#5. What 5 letter word becomes shorter when you add 2 letters?

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#4.

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#4. What do you throw away when you need it, and reel it in when you don’t?

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#3.

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#3. What 4 “rockin” men never sing?

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#2.

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#2. What was the biggest island out there before Australia was discovered?

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#1.

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#1. What can you never hold in your left hand?

If you got them all, you can go about your day feeling that much smarter!