You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?
Can you find out the missing number in the grid?
Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'. Reading it what do you think, does the tattoo artist tattoo himself?
I have a hole in my back and legs I lack. I live where I can’t breathe and I eat without teeth. What am I?
What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?
Which flower has two lips?
Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?
Why 1729 is a magic number? Answer Logically.
Can you solve the below geography rebus by decoding the below rebus ?
What does this simple rebus mean?
A word I know has six letters it contains, remove one letter and 12 remain. What is it?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.