Can you start the fire using two pieces of wood?
Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.
I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?
Below rebus represent famous DiCaprio movie. Can you name it?
How can one talk without saying a single word?
A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph. Which of the trains will be farther from point A when they meet ?
What does this mathematical rebus means ?
They do not possess flesh or feathers or scales or bone But still, they are blessed with fingers and thumbs of their own.
Twice ten are six of us, Six are but three of us, Nine are but four of us; What can we possibly be? Would you know more of us? Twelve are but six of us, Five are but four, do you see? What are we?
If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?
Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
