Can you find the missing piece of the Porsche?
Before Mount Everest was discovered, what was the highest mountain in the world?
What has one letter and starts with an E?
He does not have any heart but still, He manages to live. If you kill him, you will eventually die but yet you kill him. He cannot run, who is He?
I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?
There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?
How can you take 2 from 5 and leave 4?
I am a type of vehicle that has two wheels and is powered by humans. What am I? Hint 1: You can ride me for exercise. Hint 2: I am environment-friendly.
Which is the correct shadow of the bird?
What jumps when it walks and sits when it stands?
Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
