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.
I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?
A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log. Can you calculate the weight of the entire wooden log?
Do You See It?
Imagine you are in a room with no windows or doors. How will you get out?
You bought me for dinner but never eat me. What am I?
What does the following represent? N N N N N N N A A A A A A A C C C C C C C
What Adam and Eve do not have but the rest of the people have?
What has no start, end, or centre?
How can you leave a room with two legs and return with six legs?
How can one talk without saying a single word?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.