What always comes into a house through the keyhole?
It begins where the time ends. Its second is an expression of surprise. Its third is a question. Its fourth is urinate. It ends with a drink. Which country it is?
What is harder to catch the faster you run?
Can you make a six-letter word using the letters N, A and B ?
A bomb exploded in a room full of married couples and no one died. How?
Can you name four days which start with the letter 'T'?
How many minutes are there in Feb 2017? Note: The shortest answer is the correct answer.
What does an Island and the letter T have in common?
What building has the most stories?
What part of the chicken has the most feathers?
What 5-letter word typed in all capital letters can be read the same upside down?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.