I’m tall when I’m young, and I’m short when I’m old. What am I?
Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water. How many frogs are there on the log at this moment?
The dirtier I get, the whiter I look. Who am I?
What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?
I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?
What you cannot hold but it is yours?
How can you take 2 from 5 and leave 4?
He does not have any heart but still, He manages to live. If you kill him, you will eventually die but yet you kill him. He cannot run, who is He?
Pronounced as one letter, And written with three, Two letters there are, And two only in me. I am double, I am single, I am black blue and grey, I am read from both ends, And the same either way.
I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?
What month of the year has 28 days?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.