Can you spot what's wrong with the following sentence? PETER WAS ANGRY AT HIMSELF BECAUSE HE ACCIDENTALLY LEFT THE THE KEYS TO HIS CAR AT HIS FRIEND'S HOUSE.
John was piloting a plane behind a car but was never able to overtake it. Why?
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?
I have no life, but I can die. What am I?
What breaks yet never falls, and what falls yet never breaks?
I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?
One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?
Can you write down eight eights so that they add up to one thousand?
What has many keys but can’t open a single lock?
I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?
A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
