Logic
A man lives on the 20th floor of a building. Every morning he takes the elevator down to the ground floor and goes to work. In the evening, he gets in...
A man is found dead in a locked room with a puddle of water and some broken glass on the floor. There is no furniture in the room. How did he die?
A man pushes his car to a hotel and loses all his money. What happened?
A man writes something on a piece of paper, places it face down on the table, and then flips a coin. He shows you the paper — his prediction of the co...
Two people stand on opposite sides of a bridge. They both walk toward each other, meet in the middle, and then each continues walking. Yet neither of ...
A man walks into a bar and asks the bartender for a glass of water. The bartender pulls out a gun and points it at the man. The man says 'Thank you' a...
A woman turns off the light in her bedroom and manages to get into bed before the room is dark. The bed is 5 meters from the light switch. How does sh...
A man is sentenced to death. He is given a choice between two rooms. One room is full of raging fire, the other is full of assassins with loaded guns....
A woman looks at a calendar and says, 'The day before yesterday I was 25, but next year I will be 28.' How is this possible?
A man walks into a bar and asks the bartender for a glass of water. The bartender pulls out a gun and points it at him. The man says 'Thank you' and w...
A man is lying dead in an empty field. There is an unopened package next to him. No other person or animal was involved. How did he die?
A father and his son are in a car accident. The father dies. The boy is rushed to the hospital. The surgeon looks at the boy and says, 'I can't operat...
A man is found hanging from the ceiling in an otherwise empty locked room. There is a puddle of water beneath him. How did he hang himself?
Two twins are born on the same day to the same mother, in the same year, at the same hospital, but they are not twins. How is this possible?
A completely deaf dog is sleeping in the middle of a road. A truck comes speeding toward it without honking. The dog is not hit. How?
A town has only one barber. The barber shaves everyone who does not shave themselves. A visitor notices the barber has a perfectly clean-shaven face. ...
A man is found dead in a cabin in the woods. The cabin is not a building. How did he die?
The music stopped. A woman died. What happened?
At a party, everyone who drank the punch died. But the woman who drank the most punch survived. How?
A man shows you two cards. One is completely black on both sides. The other is black on one side and white on the other. He puts them in a bag and pul...
Three men stand in a line. Each has a hat placed on their head — either black or white — from a set of three black and two white hats. Each man can se...
Two trains are on the same track heading toward each other. One goes 60 mph, the other 40 mph. They are 100 miles apart. They do not crash. How?
A woman drops a raw egg onto a concrete floor from a height of two meters. The egg does not break. How?
A man is found dead, hanging from the ceiling in an otherwise empty room. There is a puddle of water beneath him. How did he die?
I have two coins that add up to 30 cents. One of them is not a nickel. What are the two coins?
A woman looks at a broken clock that has stopped. She smiles and leaves for work, arriving exactly on time. She never checked any other timepiece. How...
A man is found dead in a locked room with a puddle of water and broken glass on the floor. There is no furniture in the room. How did he die?
Two twins were born on the same day, same year, same mother, same father, but they are not identical and not fraternal twins. How is this possible?
A woman walks into a library and asks the librarian for books about paranoia. The librarian whispers, 'They're right behind you!' The woman screams an...
A photographer takes a picture of a completely dark room with no flash and no light source. When the photo is developed, you can clearly see a table w...
A man offers you a bet. He flips a coin 10 times and gets heads every single time. He then bets you that the next flip will also be heads. Should you ...
A woman was born in 1990 but she only celebrated her 7th birthday in 2018. How is this possible?
Four people need to cross a dark bridge at night with only one flashlight. The bridge can hold at most two people at a time. Person A takes 1 minute, ...
A prisoner must choose between two doors. One leads to freedom, the other to death. Each door has a guard. One guard always tells the truth, the other...
At a party, everyone drinks from the same punch bowl. All guests who arrived early are fine, but all guests who arrived late died of poisoning. The pu...
A man receives a letter in the mail. The envelope has his address written correctly, proper postage, and a return address. He opens the envelope and f...
A woman carries a heavy suitcase through the airport. At security, the officers scan it and find nothing unusual. She boards the plane, and the suitca...
In a small town, the barber shaves everyone who does not shave themselves. A stranger asks: does the barber shave himself? The barber smiles and shows...
A window washer falls from a 40-story building, lands on concrete, and walks away completely uninjured. How?
You are running a race and you overtake the person in second place. What position are you in now?
A man pushes his car to a hotel and loses all his money. What happened?
A truck driver goes down a one-way street the wrong way. A police officer sees him but does not stop him. Why?
A man looks at a photograph and says: 'Brothers and sisters I have none, but that man's father is my father's son.' Who is in the photograph?
A plane crashes exactly on the border between two countries. In which country do they bury the survivors?
How many times can you subtract 5 from 25?
A woman pushes her car to a hotel and immediately goes bankrupt. What happened?
A man is found dead in a field with an unopened package next to him. No one else is around. How did he die?
A man walks into a bar and asks for a glass of water. The bartender pulls out a gun and points it at him. The man says 'thank you' and walks out. Why?
Two fathers and two sons go fishing. They each catch one fish, yet only three fish are caught in total. How?
A man lives in a house with four walls, each facing south. A bear walks past the window. What color is the bear?
A woman shoots her husband, holds him underwater for five minutes, then hangs him. Thirty minutes later, they go out and enjoy dinner together. How?
A man gets a flat tire near a mental asylum. While changing the tire, he loses all four lug nuts in a sewer drain. How does he solve the problem?
A prisoner must choose between three rooms: one full of fire, one full of assassins with loaded guns, and one full of lions that haven't eaten in thre...
A truck driver is going the wrong way down a one-way street. He passes at least ten police officers. Why is he not caught?
A man looks at a portrait on a wall and says: 'Brothers and sisters I have none, but that man's father is my father's son.' Who is in the portrait?
A man enters a dark cabin with a single match. There is a candle, an oil lamp, and a fireplace. Which does he light first?
An airplane crashes exactly on the border between two countries. Where do they bury the survivors?
A girl kicks a soccer ball ten feet away. It comes back to her without hitting anything or anyone. How?
A boat is anchored in a harbor with a rope ladder hanging from the side, rungs one foot apart. At low tide, five rungs are above water. If the tide ri...
Before Mount Everest was discovered, what was the tallest mountain on Earth?
A doctor gives you three pills and tells you to take one every thirty minutes. How long do the pills last?
A farmer has seventeen sheep. All but nine die. How many sheep does the farmer have left?
A clerk at a butcher shop stands five feet ten inches tall and wears size thirteen shoes. What does he weigh?
How can a man go eight days without sleep?
You find a cabin in the woods. Everyone inside is dead, but there is no sign of violence. The doors and windows are intact. What happened?
A satellite sends a signal to Earth. The signal travels at the speed of light, yet the message arrives before it was sent. Is this possible?
Two trains start at the same time from cities 300 km apart, heading toward each other. One goes 60 km/h, the other 90 km/h. A bird flies back and fort...
A programmer sets a password that is impossible to type on a keyboard. Yet she logs in every day without any special hardware. How?
A clock stops at exactly 3:15. The owner looks at it twice, six hours apart, and both times believes it shows the correct time. How?
A bridge can only hold one vehicle at a time. Two cars enter from opposite ends simultaneously, yet both cross safely. How?
A spaceship has enough fuel for a one-way trip to Mars. It reaches Mars and returns to Earth without refueling. How?
An elevator has no buttons inside. People still reach every floor they want. How?
A pilot flies over an island every day. One day the island is gone but it hasn't sunk. What happened?
A traveler sees the sun at midnight. She is not in space and not using any device. Where is she?
A scientist stands in a room where nothing has weight. She is on Earth, not in water. Where is she?
Hundreds of people attend a concert. The musicians play for two hours, but nobody in the audience hears a single note. Why?
A woman swims across a lake but her hair stays completely dry. She wears no cap or helmet. How?
A man throws a glass off a 50-story building. It doesn't break. How?
A safe has a five-digit code. The owner never memorized it and has no written copy. Yet he opens it instantly every time. How?
A spy writes a message that nobody can read. She uses no code or cipher. The recipient reads it easily. How?
You face two doors. One leads to freedom, one to a trap. Two guards stand there — one always lies, one always tells the truth. You can ask one questio...
A man enters a room that gets smaller every minute. After an hour, the room is tiny but he is unharmed. How?
A river flows uphill for several kilometers. There is no pump or mechanical device. How?
A man makes a phone call with a phone that has no battery. He is not near any power source. How?
A woman takes a perfect photo but she has no camera, phone, or any device. How?
A man opens a safe that has been locked for 50 years. Inside he finds something that was not there when it was locked. Is this possible?
A very rich man gives away all his money every day, yet he always has more money the next morning. He has no job, no business, no investments, and no ...
In a small town, the barber shaves all men who do not shave themselves. Who shaves the barber?
A painter paints the inside of a room and then finds himself on the outside of the room. He did not go through any door, window, or opening. How?
A musician performs a sold-out concert in a packed hall. He plays for an hour. Nobody in the audience hears a single note — yet they give him a standi...
A castaway sends a message in a bottle. Rescuers find the bottle, read the message, and immediately know exactly where the castaway is — not from coor...
A man cannot lie — he is physically and mentally incapable of saying anything false. A stranger asks him: 'Are you going to say no to this question?' ...
A cartographer spends 20 years making the most accurate map ever created of a country. The government officially certifies it as the most precise map ...
A man reads a newspaper headline, puts the paper down, and immediately goes home and kills himself. He had never met the people mentioned in the artic...
A man reads a newspaper and immediately goes blind. He is not ill, and nothing is wrong with his eyes. Why?
A rooster lays an egg on the peak of a roof. Which way does the egg roll?
Five people stand under a small umbrella in a rainstorm, and none of them get wet. How?
A brick weighs one kilogram plus half a brick. How much does the brick weigh?
What gets wetter the more it dries?
A man is found dead in a locked room. He is holding the shortest match. Did he cause his own death?
A man publishes a book with no words in it and becomes famous. Is the book fiction?
A man is arrested for murder. The murder weapon is a gun. The gun has never been fired. Is the man guilty?
Two identical twins are weighed together and separately. When weighed together they are 140 kg. When the lighter twin is weighed alone she is 70 kg. I...
A man knows for certain that he will die in exactly one hour. He smiles and feels at peace. He is not suicidal, terminally ill, or drugged. Why?
Two brothers look exactly alike. One always tells the truth, the other always lies. You can ask only one question to one of them to find out which roa...
Three men check into a hotel room. The clerk says the room costs 30 dollars. Each man pays 10 dollars. Later, the clerk realizes the room only costs 2...
A man shaves several times a day yet always has a beard. How is this possible?
A man drives the wrong way down a one-way street and passes a police officer, who does nothing. Why?
Two fathers and two sons go fishing. They catch exactly three fish and each person eats one whole fish. How is that possible?
I have cities but no houses, forests but no trees, rivers but no water, and mountains but no rocks. What am I?
A man married 20 women in the same town. All the women are still alive and none are divorced. He has broken no laws. How is this possible?
A newspaper has been delivered to a house every day for thirty years. No one in the house has ever read it. The residents are not blind, and they enjo...
A man walks up to his house but cannot enter. He has not lost his key. The locks have not been changed. He is at the right house. Why can't he enter?
A doctor refuses to treat a patient even though the patient is seriously ill and is begging for help. The doctor is not busy. The doctor is a good per...
A window cleaner falls from the top of a twenty-storey building and survives without any injury. He is not wearing a safety harness. How did he surviv...
A sailor finds a sealed bottle with a message inside. The message says it was written one thousand years ago. The sailor knows the message is authenti...
A man is terrified of rain. One rainy day he walks outside without any protection and gets soaked. He smiles and is deeply relieved. Why?
A man shaves every single day yet always has a beard. He does not use a fake beard. How?
A prisoner had an unlocked cell with an open door. He was free to leave at any time. He chose to stay. His captors were happy about this. Why?
A man owned a clock that he knew showed the wrong time, yet it gave him the correct time twice a day, every single day. He never changed it. Why?
A building was called a library and contained no books at all. This was not a mistake. People came to it every day and always found exactly what they ...
A door opened by itself with no wind, no mechanism, no person touching it, and no technology involved. This happened in broad daylight in a room with ...
A man reads a newspaper and immediately goes blind. He is not ill and nothing is wrong with his eyes. Why?
A woman was born in 1990 and turned 25 years old twice. How is this possible?
Five men walk together under one small umbrella. None of them gets wet. How?
Four people need to cross a rope bridge at night. They have one torch. The bridge holds only 2 people at a time. They must use the torch to cross. The...
A doctor says that twins were born on the same day but have different birthdays. How is this possible?
A man buys a brand-new birdcage and takes it home. He never owns a bird. Yet the cage serves its exact intended purpose. How?
A woman stands before two doors. One leads to riches, one to ruin. One guard always lies, one always tells the truth. She asks one guard one question ...
You have two ropes that each burn completely in exactly one hour, but they burn unevenly. How do you measure exactly 45 minutes using only these two r...
A man wakes up, looks at the clock in the mirror, and thinks it is 6:10. He decides to sleep more. He wakes again two hours later and the clock says 8...