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40 Hard Logic Riddles Page 1 of 4


Test your thinking abilities with these 40 difficult thought provoking logic riddles, these will have you using your brain power.


Logic riddles are hard riddles and may be really hard to solve. We even call them brain teaser riddles. They're really riddles for adults and are difficult riddles. Put on your thinking caps.




1. Cathy has six pairs of black gloves and six pairs of brown gloves in her drawer.  In complete darkness, how many gloves must she take from the drawer in order to be sure to get a pair that match? (a left and right glove of the same color)  Think carefully!

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2. Mom, Dad, and 2 kids have come to a river, and they find a boat.  It is small and can only carry one adult or 2 kids at a time.  Both kids are good rowers, but how can the whole family reach the other side of the river?

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3. Why can't you take a picture of a Indian woman with hair curlers?

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4. What is the largest possible number you can write using only 2 numbers - just 2 numbers, no other mathematical symbols?

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5. Before Mt. Everest was discovered, what was the tallest mountain in the world?

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6. Because cigars cannot be entirely smoked, a hobo who collects cigar butts can make a cigar to smoke out of every 5 butts that he finds.  Today, he has collected 25 cigar butts.  How many cigars will he be able to smoke?

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7. Jenn is facetious. She is also abstemious.  She gets pneumonia.  Given those clues, what American trees will she like?

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8. How many birth days does the average man have?

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9. Someone at a party introduces you to your mother's only sister's husband's sister in law.  He has no brothers.  What do you call this lady?

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10. Which weighs more, a pound of feathers or a pound of gold?

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More Fun

Getting tired of all of the riddles? Here are some really good, fun things to do for a little break. Take a few of the short tests. See if you can follow directions. Can you solve rebus puzzles? Some of these are sure to bring a smile or two.