What has many keys but can’t open a single lock?
They do not possess flesh or feathers or scales or bone But still, they are blessed with fingers and thumbs of their own.
If six children and two dogs were under an umbrella, how come none of them got wet?
I don't get anymore wetter, no matter how much rain falls on me.
Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?
They came out at night, without being called. They lost at day, without being stolen. Who are they?
What jumps when it walks and sits when it stands?
How many times can you subtract the number 5 from 25?
Do You See It?
My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?
Can you write down eight eights so that they add up to one thousand?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.