What always comes into a house through the keyhole?
Replace the question mark with the correct number in below Picture:
Always in you, Sometimes on you; If I surround you, I can kill you. What am I?
I am lying and I always lie. Tell me whether I am lying or telling the truth.
You see a boat filled with people, yet there isn’t a single person on board. How is that possible?
Can you circle exactly four of these numbers such that the total is twelve? 1 6 1 6 1 6 1 6 1 6 1 6
Find the missing number in the image below.
Replace the question mark with the number below given a simple math problem.
Can you find the thief by just looking at the picture below?
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?
You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'. S E Q U E N C _
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
