Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.
Accidentally, two trains are running in the opposite direction and enter a tunnel that is 200 miles long. A supersonic bird that has fled the lab and taken shelter in the tunnel starts flying from one train towards the other at a speed of 1000 mph. As soon as it reaches the second train, he starts flying back to avoid collision and meets the first train again at the other end. The bird keeps flying to and fro till the trains collide with each other.
What is the total distance that the supersonic bird has traveled till the trains collided?
Out of three Friends John, Jacob and Jonny one of them is a king, one is a bureaucrat, and one is a Spy.
The king always tells the truth, the bureaucrat always lies, and the Spy can either lie or tell the truth.
John says: Jonny is a bureaucrat
Jacob says: John is a king
Jonny says: I am a Spy
Tell me, Who is the king, who is the bureaucrat, and who is the Spy?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.