I make two people out of one. What am I?
What is the word or phrase?
When I get multiplied by any number, the sum of the figures in the product is always me. What am I?
Replace the question mark with the correct number.
What is next number in the pattern below: 131 517 192 123 ?
Why is the longest human nose just 11 inches?
Which Number is the odd one out? A) 7145 B) 2716 C) 5321 D) 4135
A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?
Which is the smallest number that you can write using all the vowels exactly once?
What does a man do only once in his lifetime, but women do once a year after they are 29?
What do the following words have in common? Assess Banana Dresser Grammar Potato Revive Uneven Voodoo
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.