This logic problem comes to us all the way from the 1930's, but was known in other versions long before that. Can you shed some light on the solution? Remember, you'll only have one guess so use it wisely! Think well of the question, and any pitfalls it might have, and then select the answer you believe to be correct. Don't worry, the whole thing will be explained to you if you don't get it right!
Spice Up Dinner Conversation With These Fun Riddles
There's a riddle here for anyone! Some are hard and others are easy or funny. Click the card to flip it and reveal the answer!
Why Did the Dog Chase His Tail? Come Find Out!
Enjoy a most laughable collection of dog-themed riddles that are paw-sitive to make you smile!
Challenge: Think You Can Crack These 10 Riddles?
These challenging riddles ask one simple question: Are you a riddler?
Can You Solve This Puzzle? Free the Red Square!
How good are you at solving puzzles? Find out with this challenge!
Murder Mystery: Killer Volunteers His Own DNA!
Murder is always awful, and sometimes perplexing, but in many ways this murder is most awful and perplexing of them all. A killer who volunteered his own DNA!
Give Your Brain a Good Workout 10 Tricky Riddles!
These 10 challenging riddles will give your brain the exercise that it requires.
Massive Riddle Collection: 120 Tricky Riddles to Test You!
Here is our enormous collection of 120 tricky riddles with answers that will definitely make you put your thinking cap on!
You Don't Genius to Solve This, But it Surely Helps!
This isn't just another easy test - can you crack it?
Can You Crack Our Riddles? Give it a Try!
Give your brain a work out with these difficult riddles. Our tip - Think outside the box!
Test Your Mental Sharpness With These Brainteasers
See if you can figure out all of these brainteasers without peeking at the answers.
Only 2% of People Can Solve This Riddle! Can You?
According to the great Albert Einstein, only 2% of the world's population can solve this riddle by themselves. Are you one of them?
Are You Part of the 5% Who Can Solve These Logic Puzzles?
These puzzles will tease your brain like never before. If you manage to solve them, you'll be in an elite group - only 5% of people are capable of doing so.
Can You Count All the Tigers Hiding in This Photo?
It might look like there are but 4 tigers in this image, but there are a lot more. How many can you find? Click on the image to see how many there are.
Can You Solve These 16 Perplexing Riddles?
There's no better brain workout that trying your hand at a few riddles.
What You See In These Images Will Tell You About Yourself
Many personality tests rely on your choices to determine your personality, but this optical illusion test will work entirely on your subconscious...
Challenge: Can You Crack These 10 Riddles?
Can you crack these 10 challenging riddles?
Challenge: Can You Find the 6 Hidden Words in this Drawing?
Hidden in the image are six words that have been concealed. Only about 33% of adults will be able to find them all, making it one tough puzzle to complete.
Challenge: Are You Clever Enough For This Riddle?
A simple riddle that will drive you crazy!
Can You Solve These 10 Tricky Riddles? Give It a Go!
If you love to test yourself with challenging riddles, then give these 10 a go!
Can You Crack These Challenging Animal Riddles?
How well do you know the animal world? Can you crack our riddles and guess the animal in this collection of animal riddles?
Can You Solve These Tricky Little Riddles?
While some of us are good at solving riddles, others are just not. How do you do? Here are 9 tricky little riddles to put your brains to the test.
Challenge: Think You Can Crack These 10 Riddles?
These challenging riddles ask one simple question: Are you a riddler?
Challenge: Can You Solve the 4 Square Riddle?
To solve this riddle, you must forget what you think you know...
Challenge! Can You Solve These 7 Tricky Riddles?
These riddles will challenge your mental sharpness and will definitely keep you on your toes.
10 Fun Visual Brain Teasers You Will Want To Share
Brains need exercise just as much as muscles do. Challenge yourself with these 10 fun observation tests.
Riddle Me This: Test Your Logic by Solving Riddles!
These tricky riddles are not only fun but also will test your brain - give them a go, and see if you can solve them all!
Challenge: Think You Can You Crack These 5 Math Riddles?
Test your math knowledge with these 5 fun math riddles.
Let's Play a Game: Spot the Doubled Animal!
Are you ready for a quick game of wits? Let's see how fast you can locate the animals that appear twice in this game!
Is Your Mind as Sharp as a Knife? Try These Brain Teasers!
These addictive brain teasers will really get the cogs in your head turning!
Can Spot the Difference in These Brain-teasers?
Are you good at brain-teasers? If you think so, then you should really take on these 8 awesome brain-teasing images by Gergely Dudás.
These Riddles Have Simple Answers, But Can You Find Them?
These riddles all have very simple answers, but may not be as easy to solve as they appear.
Quick Test: Choose an Eye and Discover More About Yourself
The eyes are a window to the soul - choose yours and see what it says about you.
PUZZLE: Can You Find all the Hidden Words in the Picture?
Picture puzzle with six hidden words
10 Challenging Riddles to Test Your Thinking Skills
These brain-teasing riddles will definitely test your lateral thinking skills. So, get those cogs working and try to answer all 10!
Challenge: Can You Solve These 10 Tricky Riddles?
These ten challenging riddles will leave you scratching your head.
Challenge: Can You Spot the Hiding Animal?
Sometimes, when we're not all that attentive, we can easily miss the wonderful things hidden in nature. Find out if you can spot the animals in the pictures.
This Riddle Proved Too Hard For Me, Can YOU Solve It?
Are you clever enough for this riddle?
How Many of These Clever Riddles Can You Answer?
How many of these riddles can you guess?
Can You Guess the Answers to These Riddles About Nature?
Nature isn't just the inspiration for conventional forms of art, it can also be a great way to challenge your mind when phrased as riddles
Can You Guess These Ancient Riddles?
Can you solve these riddles thousands of years old?
Have a Go at Solving These Tricky Murder Riddles
Halloween is just around the corner, so to get you in the mood, we've given you 11 murder riddles to solve. Do you think you have what it takes? Find out now.
Can You Solve These Fun Brainteasers?
Brainteasers are a great way to dust off your critical thinking skills. Here are 10 logic brainteasers that will either stump or stun you!
12 Mysterious Riddles That'll Boost Your Mental Capacity
These 12 great riddles will definitely get your brain cells flexing and strutting their stuff in no time at all. Come on, give them a go!