286 hard riddles with progressive hints and detailed explanations
Alexander is stranded on an island covered in forest. Lightning strikes the west end and starts a fire. The wind blows east, drivi...
British Police inspect a room where there are no windows, no doors, no tables and is almost empty except there is just a puddle of...
A detective finds a coded message at a crime scene: 710 57735 34 5508 51 7718. There are 3 suspects: Bill, John, and Todd. Who is...
An evening there was a murder in the home of a married couple, their son and daughter. One of these four people murdered one of th...
Your mom and dad each gave you 23 of these threadlike strands and they helped to make you who you are. What are they?
A man forgot the secret code to open his locker. But he remembers the following clues: Fifth number plus the third number equals...
A man went into a party and drank some of the fruit punch. He then left early. Everyone at the party who drunk the fruit punch sub...
A detective who was mere days from cracking an international smuggling ring has suddenly gone missing. While inspecting his last-k...
You have two ropes. Each rope can burn in exactly one hour. The ropes are not of the same length or width. Both ropes are also not...
Susan and Lisa decided to play tennis against each other. They bet $1 on each game they played. Susan won three bets and Lisa won...
Three spies, suspected as double agents, speak as follows when questioned: Albert: "Bertie is a mole." Bertie: "Cedric is a mole....
What walks on its head all day?
A man was born in 1964 and died in 1984 at the age of 25. How is this possible?
The number 8549176320. What makes it unique?
An intelligent trader travels from one place to another with 3 sacks having 30 coconuts each. No sack can hold more than 30 coconu...
Rearrange the letters: NOR DO WE to make one word.
Name a 15-letter English word with fifteen different letters?
When the postman arrived at the Smith home to deliver mail through a slot in the front door, he was surprised to find the Smiths h...
What makes my left hand, my right hand?
Who are the two brothers who live on opposite sides of the road yet never see each other?
Each letter in the below equation stands for a different number, and each time the same letter appears, it is the same number. Wha...
A barrel of water weighs 20 pounds. What must you add to it to make it weigh 12 pounds?
What jumps when it walks and sits when it stands?
It takes 10 minutes to fry one steak -- 5 minutes from each side. Two steaks can fit on a pan. What is the shortest possible time...