Can you find a number that lies one third of the distance between 1/3 and 2/3?
What are the 50th, 63rd and 100th numbers in the sequence below? 4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...
How can you drop a raw egg from a height onto a concrete floor without cracking it?
Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one? 5 $ 4 $ 3 $ 9 = 4215 6 $ 9 $ 2 $ 6 = 3816 4 $ 7 $ 3 $ 3 = 1122 7 $ 2 $ 7 $ 4 = ____
John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?
Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?
Move four matchsticks to the below square to form three squares?
We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?
In particular commonwealth games, a female participant won silver and gold medals for a single event. How can this be possible?
You are in a room with no metal objects except for two iron rods. Only one of them is a magnet. How can you identify which one is a magnet?
You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
