| Title | Detail  | Rating | |
|---|---|---|---|
| Do you see a young or old woman | Look at the image below. Do you see a young woman, or an old woman? ... more>>> |  | |
| Lose me twice | ... more>>> | | |
| Bat and Ball | Can you work out this question that stumped 50% of Harvard students?... more>>> |  | |
| The firing squad | Pirate Pete had been captured by a Spanish general and sentenced to death by his 50-man firing squad.Pete cringed, as he knew... more>>> | | |
| What disappears as soon as you say it's name? | What disappears as soon as you say it's name?... more>>> | | |
| Never there | ... more>>> | | |
| What do these words have in common | What do these words have in common... more>>> | | |
| 1234 Challenge | Can you move one ball to reverse the pattern?... more>>> | | |
| Disappearing dots | Stare at the black cross in the middle. After 30 seconds or so, the pink circles will disappear completely... ... more>>> | | |
| Monty Hall Problem | Suppose you're on a game show, and you're given the choice of three doors: Behind one door is a car; behind the others, goats. You... more>>> | | |
| Moving circles | Take a look at the following picture. It is not animated or moving at all - it's your eyes that are making it move. To test it,... more>>> |  | |
| What is it? | The Pope has it but he does not use it.Your father has it but your mother uses it.Nuns do not need it.Arnold Schwarzenegger... more>>> | | |
| The beginning of eternity | ... more>>> | | |
| Apples and Oranges | There are 3 wooden crates. One labeled "Apples." One labeled " Oranges." One labeled "Apples & Oranges." They are all labeled... more>>> | | |
| Socks in a drawer | There are 30 socks in a drawer. 60% of the socks are red and the rest are blue. What is the minimum number of socks that must be taken from... more>>> | | |
| Backpacks and cats | There are 7 girls in a busEach girl has 7 backpacksIn each backpack, there are 7 big cats .For every big... more>>> | | |
| What's behind the Green Glass Door? | There are pillows but no feathers There are books but no newspapers There are trees but no bushes There are spoons... more>>> | | |
| Red Hat Blue Hat | There were 4 people sitting in a row, trying to win $50 from a riddle.The one in front was wearing a red hat.The second... more>>> | | |
| Wavey | ... more>>> | | |
| Japanese IQ Test | This is an IQ test given to job applicants in Japan. Beside a river there is:FatherSon 1Son... more>>> | | |
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The Brain Teasers was formed in 2008 with the aim of providing a good collection of riddles, brain teasers and other challenging problems for you to solve!