You see a boat filled with people, yet there isn’t a single person on board. How is that possible?
How can a man go eight days without sleep?
Can you find the odd number in the following five choices? 1) 482636 2) 259807 3) 865195 4) 104739 5) 391744
Can you find a five letter word that is left with only two letters if one is removed?
What is the longest word in the dictionary?
Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?
Do you know who was buried in John's tomb?
They came out at night, without being called. They lost at day, without being stolen. Who are they?
In the image given, you can find several triangles. Can you count them all?
I am written with two letters. I said with the one. I usually am seen with the two. Who am I?
The following question it puts forth you: 25 - 55 + (85 + 65) = ? Then, you are told that even though you might think it's wrong, the correct answer is actually 5! Whats your reaction to it? How can this be true?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.