There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?
What goes up but never comes down?
The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?
How can a man go eight days without sleep?
You are given four results as below: 1111 = F 2222 = E 3333 = T Then, can you find out how to code 4444?
You are in a room with no metal objects except for two iron rods. Only one of them is a magnet. How can you identify which one is a magnet?
I am a white box having no key or lid. Yet there is a golden treasure inside it. What Am I?
What is more useful when it is broken?
When we see 2 but call 10?
If two's company, and three's a crowd, then whats four and five ?
I get hot but I never sweat, I cook food but I am not a chef, I have a door but you can't enter me, I have a light but I am not a lamp. Who am I?
Artificial Intelligence has crushed all human records in the puzzle game “2048,” achieving a high score of 839,732 and beating the game in only 973 moves without using any undo.
