John was piloting a plane behind a car but was never able to overtake it. Why?
What has one letter and starts with an E?
If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten. How is this possible?
You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?
Find the next number in the series below 21 32 54 87 131 ?
Can you replace the question mark with the correct letter? 6 + 6 + 6 = N 7 + 7 + 7 = E 8 + 8 + 8 = R 0 + 0 + 0 = ?
What is red and smells like blue paint?
They are three errirs in this question. Can you find them?
I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?
Name a key which is hardest to turn.
A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing. Which other pages won't be there?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
