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.
Can you find the missing piece of the Porsche?
On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off. How many candles Sayna have at the end?
There are five vowels (a, e, i, o, u) in the English language. Can you tell us a word that contains all these vowels?
Give it food and it will live; give it water and it will die.
I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?
I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?
Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?
John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
I have no life, but I can die. What am I?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.