If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?
What is the difference between a jeweller and a jailer?
Can you find out the missing number in the grid?
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?
What can you deduce from the following BrainBat? CRY LMKI
He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?
Can you name an animal whose killing cannot be performed without spilling your own blood?
I am white when I am dirty, and black when I am clean. What am I?
What does this rebus means ?
Spot the cat in the picture below
Can you find out which options fits best with the missing column?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
