I have a clock(12-hour format) and both the needles of the clock overlap at 12:00. After how much time, they will overlap again?
I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?
There are five vowels (a, e, i, o, u) in the English language. Can you tell us a word that contains all these vowels?
Begin with a word, five letters to my name, Remove the first and last but I am the same Take out my middle and still, I remain. What word am I?
I’m orange, I wear a green hat and I sound like a parrot. What am I?
I’m tall when I’m young, and I’m short when I’m old. What am I?
How many times can you subtract the number 5 from 25?
I get hot but I never sweat, I cook food but I am not a chef, I have a door but you can't enter me, I have a light but I am not a lamp. Who am I?
Can you write down eight eights so that they add up to one thousand?
I don't get anymore wetter, no matter how much rain falls on me.
I have an eye but still cannot see. Who am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.