If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?
When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?
What you cannot hold but it is yours?
I am the fastest animal but cannot climb the tree. What am I?
What have one eye but still cannot see?
I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?
They do not possess flesh or feathers or scales or bone But still, they are blessed with fingers and thumbs of their own.
John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?
If six children and two dogs were under an umbrella, how come none of them got wet?
What breaks yet never falls, and what falls yet never breaks?
There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.