Why 1729 is a magic number? Answer Logically.
You need to move three matchsticks to form three squares. Can you do it?
What has no start, end, or centre?
If, 6 / 7 = 2 3 / 9 = 7 8 / 2 = 6 Then 4 / 5 = ?
You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.
In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?
What numbers should go on the bottom line? 3 6 9 15 8 2 10 12 11 8 19 27 19 10 29 39 ? ? ? ?
What makes this number unique: 8,549,176,320?
Why Wine Glass Stem is so long?
Solve the alphametic puzzle by replacing the alphabet with the number. S T O R M + S O L E S ========= T O W E L =========
You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
