As easy as you can get into me, it is as hard to get out of me. Do you know what I am?
What building has the most stories?
In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.
Why do we preferably have round manhole covers and not square ones?
When it's bad luck to meet a black cat?
The following alphametic has only one solution. Can you find it? ENLIST + SILENT + LISTEN = ANAGRAM PS: You may start the number from 0.
How many times can you subtract the number 5 from 25?
Can you count the number of matches in the picture below ?
How can you write nineteen in a manner that if we take out one, it becomes twenty?
I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?
A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?
The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.