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Are you the kind of person who loves a hard riddle? So are we! There's something irresistibly intriguing about brain teasers that gets our neurons firing and ignites our competitive spirit, so what better way to keep the whole family entertained?

If you think you're a pro at solving the hardest riddles and tricky questions, you might change your mind after today. As avid fans of challenging puzzles and table games, we couldn't resist the urge to compile a collection of the internet's most mind-bending, hard riddles for adults! Our handpicked selection includes everything from brain teasers to logical puzzles that will perplex even the most seasoned riddle enthusiasts.

We're aware that some of these difficult riddles might have you stumped (we were, too!), so we've kindly provided the answers to each one below. Just remember, no peeking until you've given it your best shot! Take your time, savor the journey, and hopefully, these hard riddles with answers will feed your brain!

#1

woman doing silent hand sign What disappears as soon as you say its name?

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deborahharris avatar
Deborah Harris
Community Member
1 year ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

A gentle suggestion to all who post riddles, Can you please stop putting the answers straight after the question, as they are so near to the riddle that I and i'm sure others auto read them . Maybe if you put them at the end of the list or upside down more of us can enjoy your hard work, thank you.

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#2

This thing all things devours: birds, beasts, trees, flowers; gnaws iron, bites steel; grinds hard stones to meal; slays king, ruins town, and beats high mountain down. 

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#3

First, think of the color of the clouds. Next, think of the color of snow. Now, think of the color of a bright full moon. Now answer quickly what do cows drink? 

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The History of Riddles

It might come off as a surprise to you, but riddles are pretty much ancient! And by ancient, we mean that the first riddles, in the very same format that we know and use today, appeared as far back as in Babylonian times. Mind you, the city of Babylon has existed since the 18th century BC — thousands of years before our days!

The first attempt to define what a riddle is in a scholarly way was made much, much later than that, though, around the end of the 19th century by Robert Petsch. His work was succeeded by Archer Taylor, who, in 1918-20, did a massive job of cataloging myriads of riddles. 

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One interesting thing he has discovered is that some riddles are almost the same across continents and languages. Take, for instance, the writing riddle about black letters on white paper, the year riddle mentioning something in the count of twelve, and the cow riddle. Because, well, cows. 

Ultimately, all ancient riddles were based on the things that people saw every day and found of significant meaning. Because where else would you find a greater meaning than in the human experience and condition?

#5

What spends all the time on the floor but never gets dirty? 

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#6

Mike and Pat are in a desert. They both have packs on. Pat is dead. Mike, who is alive, has his pack open. Pat has his pack closed. What is in the packs? 

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Why Do People Do Riddles? 


Intellectual Challenge

Solving riddles isn't just a leisurely pastime; it's a mental workout that not only challenges our brains but also offers insights into our cognitive performance. This fulfilling activity caters to our dual instincts—one, the desire to showcase our intellectual competence, and two, the primal urge to conquer challenges. 

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Cognitive Exercise

Essentially, brainteasers act as a platform to display our analytical thinking, problem-solving skills, and mental agility. As we unravel their complexities, we're not only deciphering their elements but also relishing the satisfaction of assembling the pieces into a coherent whole.


Aha! Moments

Moreover, riddles tap into our competitive spirit, triggering a determination to succeed. They're not just riddles to solve; they're quests to master. The sense of accomplishment that accompanies the final piece falling into place symbolizes our persistence and strategic acumen. In essence, puzzles become a stage upon which we demonstrate both our cognitive finesse and our yearning for victory, encapsulating the concept of being smart in action.


Higher IQ

Besides all this fun action and hefty rewards that solving really hard riddles gives us, solving brain teasers for around twenty minutes daily can raise your IQ! And this isn’t just anecdotal but proved by rock-solid research by Michigan University back in 2011.

#7

What comes once in a minute, twice in a moment, but never in a thousand years? 

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bukolababatunde avatar
Bukola Babatunde
Community Member
10 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

This is a very popular riddle that has been making the rounds for several years now. I believe more recent, fresher riddles would put my "brainpower to the ultimate test."

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#8

Person standing in front of water and see reflection You can see me in water, but I never get wet. What am I? 

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#9

It cannot be seen, cannot be felt, cannot be heard, cannot be smelt. It lies behind stars and under hills, and empty holes it fills. It comes first and follows after, ends life, kills laughter.

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canada4401 avatar
MB
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Now I’m questioning whether darkness is something we can actually see

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What is the Hardest Riddle in the World?

You asked for it, we’ve found it! The hardest riddle in the world, dubbed the Polar Bear Riddle or the Harvard Riddle, goes like this:

I turn polar bears white, and I will make you cry. I make guys have to pee and girls comb their hair. I make celebrities look stupid and normal people look like celebrities. I turn pancakes brown and make your champagne bubble. If you squeeze me, I'll pop, but if you'll look at me, you'll pop. 

Now, why is it titled as one of the hardest riddles of all time? Well, the legend has it that 97% of Harvard grads can’t solve it, so if you can, know that they owe you a diploma. 

And what’s the correct answer to this riddle? We are not going to tell you that because it would spoil all the fun now, wouldn’t it?

#10

Which word in the dictionary is always spelled incorrectly?

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#11

What word of five letters has only one left when two letters are removed? 

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#12

Man in suit walking in street A bus driver goes the wrong way on a one-way street. He passes the cops, but they don’t stop him. Why? 

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How Do You Find Answers to Riddles?

Feel like you need a crash course on finding answers to riddles before you tackle the aforementioned hardest riddle in the world? Don’t worry, we have some pointers on what to do when searching for answers to these tough questions: 

  • Read and understand. Begin by reading the riddle carefully and making sure you understand the words and context used. Sometimes, riddles contain wordplay, puns, or hidden clues that can lead to the answer.
  • Break it down into smaller pieces. Try to identify key words and phrases and search for the meaning within them. 
  • Think outside the box. Sometimes, riddles require thinking that’s beyond the obvious. So, if you think the answer is right in front of you, think again!
  • Think of similar riddles. If this isn’t your first rodeo, try to remember similar riddles you did before and apply the same rules of solving them to the one in front of you.
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Hopefully, these pointers will help you solve these really hard riddles that await you on our list. Good luck!

#13

What has four fingers and thumb, but it is not living? 

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#15

A rooster lays an egg at the very top of a slanted roof. Which side is the egg going to roll off on? 

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#16

woman holding scales statue What is it that no one wants, but no one wants to lose? 

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#17

What gets wet while drying? 

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#18

Take away the whole, and some remain. What is it?

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#21

Voiceless it cries, wingless flutters, toothless bites, mouthless mutters.

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#22

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

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#23

This belongs to you, but everyone else uses it. 

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#24

Silhouette of hugging couple Stronger than iron, crueler than death, sweeter than springtime it lives beyond breath. 

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#25

Without a bridle or a saddle, across a thing I ride a-straddle. And those I ride, by help of me, though almost blind, are made to see. What am I?

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#26

Who lives in a house with one bedroom, 50 hallways, and ghosts lurking everywhere? 

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#27

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I? 

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#28

A woman shoots her husband, then holds him underwater for five minutes. Next, she hangs him. Right after, they enjoy a lovely dinner. Explain.

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travisa avatar
Travis A
Community Member
1 year ago

This comment has been deleted.

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#29

man holding yellow pencil I come from a mine and get surrounded by wood always. Everyone uses me. What am I? 

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#30

What is able to go up a chimney when down but unable to go down a chimney when up? 

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#31

What loses its head in the morning and gets it back at night? 

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jeremykuhn avatar
Jeremy Kuhn
Community Member
1 month ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

These are really great. I teach middle schoolers and have gone through a lot of the other sites. But there are some really good ones that are new to me. Thanks for doing these.

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#32

I'm sorry wooden letters What can be given and can be accepted, is worth a great deal but costs nothing yet has no monetary value? 

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#33

Three different doctors said that Paul is their brother yet Paul claims he has no brothers. Who is lying? 

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piece_of_ice2004 avatar
Natallia Pisarenka
BoredPanda Staff
Verified
7 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Answer: No one is lying because the three doctors are Paul’s sisters.

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#34

What is full of holes but still holds a lot of water?

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#35

A man goes out in heavy rain with nothing to protect him from it. His hair doesn’t get wet. How does he do that? 

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#36

How can you drop a raw egg from a height onto a concrete floor without cracking it? 

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piece_of_ice2004 avatar
Natallia Pisarenka
BoredPanda Staff
Verified
7 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Answer: You just drop it. Concrete floors are tough to crack.

#37

Snow mountain under stars What has roots as nobody sees, is taller than trees, up, up, up it goes, and yet, never grows?

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#38

What has leaves but no branches? 

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yijuin avatar
Yi Juin
Community Member
11 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

if "what" doesn't mean that it cannot be a "who", then an employee is an answer (an employee can take leave)

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#39

What’s black when you get it, red when you use it, and white when you’re all through with it? 

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#40

Erupted volcano My thunder comes before the lightning. My lightning comes before the clouds. My rain dries all the land it touches. 

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#41

What has a heart that doesn’t beat?

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#42

What always ends everything? 

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#43

Where can you finish a book without finishing a sentence?

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#44

Two yellow and red wooden doors What is it that given one, you’ll have either two or none? 

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#45

I am something people celebrate or resist. I change people’s thoughts and lives. I am obvious to some people but, to others, I am a mystery. What am I? 

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#46

Hands she has but does not hold, teeth she has but does not bite, feet she has but they are cold, eyes she has but without sight.

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#48

Why is it that when you have lost something, it’s always in the last place you look?

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piece_of_ice2004 avatar
Natallia Pisarenka
BoredPanda Staff
Verified
7 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Answer: Because you stop looking when you find it.

#50

I stick so strongly, yet I am not sticky in the slightest. What am I? 

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#51

Woman holding lighted candle You measure my life in hours and I serve you by expiring. I’m quick when I’m thin and slow when I’m fat. The wind is my enemy. 

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#52

What is seen in the middle of March and April that can’t be seen at the beginning or end of either month? 

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#53

What word in the English language does the following: the first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word? 

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#54

Pile of books What English word has three consecutive double letters? 

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#55

What are the next three letters in this combination? OTTFFSS 

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piece_of_ice2004 avatar
Natallia Pisarenka
BoredPanda Staff
Verified
7 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Answer: E N T (Each letter represents the first letter in the written numbers: One, Two, Three, Four, Five, etc.).

#56

How is seven different from the rest of the numbers between one and ten? 

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piece_of_ice2004 avatar
Natallia Pisarenka
BoredPanda Staff
Verified
7 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Answer: Seven has two syllables and the other numbers only have one syllable.

#57

First you eat me, then you get eaten. What am I?

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#58

Person showing left hand in sea background What can you hold in your right hand, but never in your left hand? 

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#59

How can you physically stand behind your father while he is standing behind you? 

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piece_of_ice2004 avatar
Natallia Pisarenka
BoredPanda Staff
Verified
7 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Answer: You are standing back-to-back with your father.

#60

What word starts with E and ends with E but only has one letter in it? 

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hulkfreeze avatar
Your Neighborhood Alien
Community Member
1 year ago (edited) DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Or, written as, "What word starts with E and ends with E but only has one letter in 'it'?", the answer could be "exile". (It only has one letter of the word "it" in it and ends and starts with "e".) The punctuation of that was a doozy! Hopefully I punctuated all of that correctly! 😅

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#61

The more you take, the more you leave behind. What am I? 

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#62

A word I know, six letters it contains, removes one letter, and twelve remains. What am I? 

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#63

White and black cruise ship in the sea You see a boat filled with people. You look again, but this time you don’t see a single person on the boat. Why? 

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#64

What can travel around the world while staying in a corner? 

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#65

There are two sisters. One gives birth to the other, and she, in turn, gives birth to the first. Who are the two sisters? 

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#66

It is an insect, and the first part of its name is the name of another insect. What is it? 

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#67

I’m full of holes but strong as steel. What am I?

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#68

Blue and orange tang fish swimming Alive without breath, as cold as death, never thirsty, ever drinking, all in mail never clinking. 

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#69

A barrel of water weighs 60 pounds. What must you put in it for it to weigh 40 pounds? 

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#70

Give me food, and I will live. Give me water, and I will die. What am I? 

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yijuin avatar
Yi Juin
Community Member
11 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

i thought it was an overhydrated person (he can still eat food but he will die if he drinks any more water)

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#71

There is an old saying that goes, ‘Even a stopped clock is right twice a day’! What type of clock is right only once a day? 

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Yi Juin
Community Member
11 months ago

This comment has been deleted.

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#72

Water and seashore at sunset What is always coming but never arrives? 

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#73

I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I?

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#74

You see a boat filled with people. It has not sunk, but when you look again you don’t see a single person on the boat. Why? 

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#75

How can the number four be half of five? 

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piece_of_ice2004 avatar
Natallia Pisarenka
BoredPanda Staff
Verified
7 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Answer: IV, the Roman numeral for four, which is “half” (two letters) of the word five.

#76

A black computer keyboard on black table I have keys, but no locks and space, and no rooms. You can enter, but you can’t go outside. What am I? 

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#77

How many letters are in the alphabet? 

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piece_of_ice2004 avatar
Natallia Pisarenka
BoredPanda Staff
Verified
7 months ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Answer: There are 11 letters in the words “the alphabet”.

#78

A is the brother of B. B is the brother of C. C is the father of D. So how is D related to A? 

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#79

It’s shorter than the rest, but when you’re happy, you raise it like it’s the best. What is it? 

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#80

Green leaf tree under blue sky My rings are not of gold, but I get more as I get old. What am I? 

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#81

What has a head, a tail, is brown, and has no legs? 

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#82

What can fill an entire room without taking up any space?

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#83

Gift of a raven, sharp as a blade, black is its burdain, wisdom its trade.

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#84

Small snowflake White bird, featherless. Flying out of paradise. Flying over sea and land. Dying in my hand. What is it? 

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#85

What can cut like a knife, sting like a bee, bite like a lion. Carry truth and lies but never move or speak. 

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gosneymichelle avatar
Michelle Gosney
Community Member
1 year ago DotsCreated by potrace 1.15, written by Peter Selinger 2001-2017

Next time, use a bigger gap between the riddle and the answer please. I can't be the only person to scroll too far.

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