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!
Can You Solve This Puzzle? Free the Red Square!
How good are you at solving puzzles? Find out with this challenge!
Can You Answer All 10 Old Riddles?
These riddles are over 70 years old, but I bet they can still kick your butt today. Care to try and beat all 10 questions?
Challenge: Think You Can Crack These 10 Riddles?
These challenging riddles ask one simple question: Are you a riddler?
QUIZ: What Kind Mind Do You Have?
Do you think that you're a logical and reasonable person, who's able to come up with accurate estimates for everything? Find out here!
QUIZ: What Kind of First Impression Do You Make?
Fair or not, first impressions can count for a lot. Therefore it's important you know just how people perceive you. This amazing test can reveal the truth!
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!
Quiz: Which Animal Are We Talking About?
This quiz will give you an animal fact, and you must choose the animal it applies to!
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!
Which Animal Hides in the Photo? Take Our Quiz!
This unique quiz will challenge both your eyes and your animal knowledge.
Test Your Knowledge With Our General Science Quiz!
Can we challenge your scientific knowledge with some fascinating questions?
Riddle Collection: 25 Fun Logic Riddles
Before you are 25 riddles that all ask the same question: What, or who, is the riddle talking about?
QUIZ: Spot the Different Photo!
Could you help us find all these naughty photos that just won't tow the line?
QUIZ: 18 Challenging Questions About World History
Can You Beat Our World History Trivia Quiz?
Language Quiz: Get to the Bathroom in All Countries
If you want to travel, one of the most important questions you can ask when in another country is - Where is the bathroom? Can you guess what languages we're using when asking for it in this quiz?
Test Yourself: Do You Know a Lot of History?
Do you possess the history knowledge to pass?
Color IQ: Take Our Quiz and See How Smart You Are!
Take our test and find out how clever you are at colors!
Trivia Quiz: How Much Do You Know About Pirates?
How much do you know about these merciless mobsters of the ocean? Take our quiz and find out.
Test Yourself: From Where Do You Draw Spiritual Power?
Take this test to discover the origins of your spiritual riches.
Personality Test: Where Do You Fall On the Empathy Scale?
This quiz is all about empathy, how much you feel of it but also what KIND of empathy you mostly feel. Answer the questions truly to get the real result.
TEST: Can You Pass Our Greek Mythology Quiz?
Greek mythology has perplexed and amused humanity for thousands of years. How much do you know about these fun cornerstones of western culture? Let's find out!
There's a Heart in Your Chest. Can We Tell You What Kind?
What sort of heart beats in your chest? There's only one way to find out!
QUIZ: Which Event Happened FIRST?
How well do you remember the events of the past? Give this quiz a shot and find out for yourself!
Quiz: Do You Prefer the Past, the Present or the Future?
Take our quiz below and answers our questions honestly to see when it is you truly reside.
Personality Test: How Judgmental ARE You?
Take our quiz and learn the truth about how much you judge others.
This Math Quiz Will Remind You of Your School Days!
This fun math test is really fun and should provide some minutes of pure problem solving pleasure. Just answer the questions as best you can and good luck.
Quiz: What Kind of Karma is Influencing Your Life?
Are you wondering where your Karma really stands? Take this personality test, and find out for yourself.
QUIZ: What Do Your Associations Reveal About You?
Discover your four most central characteristics!
Biology Quiz: What Do You Know About Viruses?
Take our trivia quiz all about viruses and how they are transfered.
TRIVIA: Can You Answer These General Trivia?
You'll need a well rounded mind for this one. Are you prepared to take the challenge?
Riddle Me This: Would You Get Accepted to Work at Google?
Riddles: Would You Get Accepted to Work at Google?
Care To Test Your Level of English Today?
Here's a fun English quiz that will take some vocabulary skills to ace!
QUIZ: How Much Basic Spanish Do You know?
How much of these beautiful language do you know? Take our test!
QUIZ: Answer Our Questions and We'll Tell You Who You Are!
Our personality consists of several different traits that combine to makes us unique and who we are, take this quiz and find out yours!
Test: How Much Pirate Slang Do You Know?
Are you familiar with the slang phrases of the pirate age?
Personality Quiz: Unscramble the Words to See Who You Are
This quiz will show you letters that can make a few words, what you must do is make the first word you can and then let us know which one you made first. The first word you see may say something about you...
Daily Quiz: Which is MORE?
All you need to do is tell us which is biggest, fastest and heaviest. Sounds fair?
Challenge Yourself With 11 English Language Quizzes
are you in for some fun quizzing of your English skills? We have a collection here of 11 fun quizzes on the English language.
Joke: The Bartender and the Jackass
I was sitting at a bar when a man walked in....
Quiz: Am I a Nice Person?
This little quiz uses free association to discover what kind of niceness you really display. Care to find out how nice you really are?
QUIZ: How Good Are You At Phrases? Find Out In This Test
Some phrases can be quite hard to pick up and memorize, and some people are better at it than others. How good are you at phrases? Find out here.
You'll Need Both Grammar and Vocabulary For This Quiz!
Ready to check your English? Hope you've been doing some reading...
All Baby Boomers Should Be Able to Pass This Test...
Here's a little quiz that all Baby Boomers should be able to pass with flying colors. Give it a go and see how you fare!
QUIZ: How Connected Are You to the Cosmos?
The universe is a great mystery. So how do you relate to it, and how connected are you to it? Take our enlightening test to find out!
Take Our Quiz: What Kind of Cat Breed Would You Be?
What kind of cat breed are you most likely to be?
Personality Test: Which of the World Wonders Are You?
This quiz will tell you which of the world wonders most represents your personality.
Personality Test: What Do Your Color Choices Reveal?
Did you know that your color choices can reveal an awful lot about who you are? Take our quiz and discover something about yourself.