What building has the most stories?
When can we add 2 to 11 and get 1 as the correct answer?
Why do people go to bed?
What has a ring but no finger?
Outside a massage parlour, there is a board that reads "I only massage those who do not massage themselves." Reading the above statement, does the masseur massage himself?
Who is generally closer to the kids, mom or dad? (it's a funny riddle)
What does the rebus below mean? TEN BADTION
My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?
What can you see in the middle of March and April that you can never see in any other month?
Prove that twice of ten is the same as twice of eleven.
What's the only room from which no one can enter or leave
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
