In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?
What breaks yet never falls, and what falls yet never breaks?
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 = ?
It's a test that will check your IQ. Suppose you have one 11 minute hourglass and one 13 minute hourglass. Can you measure exactly fifteen minutes using them ?
How far can you walk into the woods?
Count the number of squares in the picture below.
I am under you when I am whole. I shift above you if you remove the first letter. I come all around you if you remove the second as well. Can you tell me who I am?
If six children and two dogs were under an umbrella, how come none of them got wet?
Which is the smallest number that you can write using all the vowels exactly once?
A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?
They do not possess flesh or feathers or scales or bone But still, they are blessed with fingers and thumbs of their own.
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.