Can you make a six-letter word using the letters N, A and B ?
What's the only room from which no one can enter or leave
Which country gets ill every time?
What building has the most stories?
What begins with T, ends with T, and has T in it?
Why is a river so rich ?
Prove that the below maths equation is true. 8 + 8 = 91
how come the second man dies?
What is the end of everything?
When is the top of a mountain similar to a savings account?
Imagine you are in a room with no windows or doors. How will you get out?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.