If eleven plus two equals one, what does nine plus five equal?
2, 3, 5, 9, 17, _ What is the next number in the sequence?
If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten. How is this possible?
Can you identify the direction in which this bus is moving; left or right? Hint: The bus is moving on the roads of London.
I come in different shapes and sizes. Parts of me are curved, other parts are straight. You can put me anywhere you like, but there is only one right place for me. What am I?
What Does this text mean: important=important
How many letters are in the alphabet?
Look at the picture and find out which square is not linked with any of the other squares.
You Throw The Outside, Cook The Inside Eat The Outside, Throw The Inside. What Is It?
What does this rebus means ? PROG WORKRESS
Can you circle exactly four of these numbers such that the total is twelve? 1 6 1 6 1 6 1 6 1 6 1 6
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
