Which is the smallest number that you can write using all the vowels exactly once?
What does this rebus means ? PROG WORKRESS
The more of this there is, the less you see. What is it?
Can you move 2 matchsticks to form four equal sized squares.
Find the Odd One Out? 84129 32418 47632 36119 67626 72927
Guess the hidden movie name?
I have eight fingers and two thumbs but I do not live. What Am I?
What number should come in place of the question mark below?
You have two buckets of 11 liters and 6 litres. How can you measure exactly 8 litres?
If, 6 / 7 = 2 3 / 9 = 7 8 / 2 = 6 Then 4 / 5 = ?
I am white when I am dirty, and black when I am clean. What am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
