# Questions tagged [lateral-thinking]

A puzzle solved through an indirect and creative approach, using reasoning that is not immediately obvious and involving ideas that may not be obtainable only using logic.

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### Find the letters that complete these five patterns

Complete the last line in each of the following five series: Puzzle 1: "Using" is E "Desist" is I "Visits" is E "Design" is ??? Puzzle 2: ...
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### A double-agent with a conundrum

You are a double-agent in the most important war of the 20th century, The Falklands war. For years you have been playing the United Kingdom and Argentinian governments against each other, taking ...
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### How can 64 = 65?

Here is a interesting picture with two arrangements of four shapes. How can they make a different area with the same shapes?
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### This is it. This is the one. Find your wife

If you have found her, maybe you could try saving her? You come home one day and find your wife is out. You open your computer and discover an email from her. To xxxxx, / Curiosity killed the ...
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### The Sheikh dies

The Sheikh dies, leaving behind three sons, 17 camels and the following order: His oldest son shall inherit one in two camels. His middle son shall inherit one in three camels. His youngest son shall ...
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### Which country is INDIA in?

An intrepid globetrotter needs to know this: BENIN is in Libya CANADA is in China DENMARK is in the United States FRANCE is in Germany INDIA is in ??
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### Make all the statements true

Can you make all the below statements true with a single click? If yes, explain how. Three + Eleven = Ten Seven + Five = Six Two + Four = Eight NB: 'A Single Click' means, with only a single left ...
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### A strange hotel

Entering the lobby, I requested a room. The clerk handed me my key and I took the elevator to my floor. To my surprise there was a sign on the door of my room telling me I should try a different room ...
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### My wife has died

In 1980, a man lives on the 30th floor of his building. Every morning he wakes up, gets ready, kisses his wife, takes the elevator down to the first floor, and goes to work. One morning, he wakes ...
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### Do I Work with an Orangutan?

This morning I found myself face-down in front of a large building. It was obvious that I had taken a great fall from one of the rooms above me, but now I apparently had amnesia. I went in. I could ...
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### Mysterious message from the NoSlaves™ Calculator Co

So my son is starting to show an interest in mathematics, and being the awesome dad that I am, I decided to buy him a basic calculator. Being the cheapskate that I am, I ordered the cheapest one I ...
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### A pilot's messages

A friend of mine works as a pilot, so he travels a lot and I don't see him that often. But every year around the same time he sends me a message. He has been doing that ever since 1997. Here is a list ...
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### What is the number of the parking spot?

One needs to find the number under the car. Source: unknown
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### Go Pregnant or Go Home

A love story: First, we met on the dance floor at this place playing loud music. Soon after we were madly in love! Before I knew it, we were engaged to be married. Now, here I am in the backyard ...
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### The Secret Club

Since I was a kid, nobody wanted me in their super-exclusive clubs... the "House in the Tree Club"... the "Girls Only Club"... the "Whatever you are NOT Club"... but now that I am a skilled (and a bit ...
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### James Bond : No Access

James Bond, while working on a top-secret case for many weeks in deep enemy territory, finally collected and stored lots of critical files on his tight-security Linux system. Even though the system ...
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### 29 - 1 = 30 how?

How is 29 - 1 = 30? If also 14 - 1 = 15 11 - 1 = 10 9 - 1 =10. Hint:
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### Almost half a million, yet smaller than a hundred [closed]

Consider, for example, the number 420109. It's quite big, isn't it? Not so far from half a million. Yet it can be interpreted to be smaller than a hundred with a very simple trick, without putting any ...
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### I apologise in advance for this

A man has 17 cigarettes. He gives half of the cigarettes to his oldest son. He gives one third of the cigarettes to his middle son. He gives one ninth of the cigarettes to his youngest son. ...
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### How do I force-quit the program?

My friend has been playing with a program he found. He enters a 5-digit number into the command line and receives another 5-digit number in return. However, after 20 or so entries, he's about done and ...
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### Why did John buy so many batteries?

World-famous engineer John Johnson decided to take a break from his latest invention, and asked his wife if she had any chores he could do to clear his mind. She handed him a grocery list and told him ...
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### Which switch goes to which bulb?

You are in a room with three switches, labeled $A$, $B$, and $C$. Initially, each switch is in an off state. In an adjoining room, there are three incandescent light bulbs. Your task is to ...
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### I last billions of years or a couple of milliseconds

Please help. I've given this riddle much thought and can't get anywhere. I last billions of years or a couple of milliseconds. I embody the Jurassic period and the Renaissance. I am composed of ...
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### Which floor does this company occupy?

There is a seven-story skyscraper. Each floor hosts exactly one company. Pangloss Washers Co, Ltd. is located on the 7th floor. Alice PC Chips Co., Ltd. is located on the 6th floor. Jumanji Arcade Co....
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### Breakfast with friends

One early morning, a group of friends meet in their favorite café. Ash, the biggest in the group, remarked : "Must have been millions of years since we were all together, uh?"" ...
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### French vs Italian resistance

I have computed that the French resistance is roughly 17% larger than the Italian one. Do you know how I did it?
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I do not claim credit for this puzzle; I saw it online years ago and realised it hadn't been asked here yet (as far as I could tell), so I thought I'd share it with the community here. I cannot recall ...
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### I can turn your pet into a god

I can never see myself. I can turn your pet into a god. I can make sweets unpleasant. I will take your guns away, and you will feel secure. I can turn the sun into a bunch of rodents. Who am I?
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### Save our WWII planes

This is a true story, and an illustration of smart thinking. During WWII, Allied airforces were having a difficult time getting their bombers to withstand German artillery. Their planes desperately ...
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### Find average age without revealing your age

Ana, Barbara, Carol and Diana want to know their average age. But no lady wants to disclose her age. They decide a strategy and use a calculator (one that doesn't store steps) and tapped some keys ...
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### What a peculiar animal

One day, as I was wandering in the forest, I came across a most peculiar animal. It came right in front of me and said to me: I watch I salute I am multiple I am myself I sting I dig I ...
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### A Morse Conundrum

Yesterday, I intercepted a message encoded in Morse code, but, because I was extremely tired, decided to wait until today to decode it to plain text. However, when I looked at the piece of paper I had ...
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### Odd-looking circle

A man is told to make a circle He makes this: Where is the man?
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### if you have one, you have none [closed]

If you have three, you have three. If you have two, you have two. If you have one, you have none. What is it?
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### A UniCODE Puzzle

NOTE Please do not edit this puzzle or close for off-topic unless you REALLY know what you're doing. The whole thing, except this note, is part of the puzzle. Thanks! What unicode character am I? ...
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### Sabotage at Sea - Cursed Cruise liner?

(Warning: Heavy reading incoming. I suggest writing stuff down...) It's now the year 2150, and you're one of the few people who didn't leave earth twenty years ago. Why? A deadly disease overtook the ...
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### Connect 3 houses with 3 wells

Connect every house with every well without the lines intersecting. I am not sure if this puzzle has a solution. I have been puzzled by it for a long long time. An old man from my village mentioned ...
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### An invisible traveller

Maybe not a typical riddle, but here it is: I can travel from there to here by disappearing, but I can also travel from here to there by appearing. What am I?
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### Mysterious loss of weight

Now an entry into Fortnightly Topic Challenge #41: Short and Sweet A man enters a room and presses a button. Within seconds he loses 20 lbs body weight. How did he lose the weight?
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### I like to travel. Can you tell where I've been?

I live in a cold country, and each year I travel to one of my four favorite summer destinations: Valencia, Tel Aviv, Sydney or Porto. I have a habit of visiting my grandmother when I return (same day ...
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### Older twin's birthday is one day after younger's

I have been asked this puzzle in an interview. There was not a lot of time left so I couldn't solve it quickly and the interviewer kind of let it go as he had to wrap up the interview Foo and Bar ...
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### How did he count my money so fast?

When I was in college, each semester there were companies that would buy back your used textbooks. One semester I brought my books to the book-buyer, who said "We'll pay you \$41". He grabbed a thick ...
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### Unfortunately, you died [closed]

Your soul is on its way to the afterlife when suddenly you arrive in a room. You look around and notice six humanoids staring at you. You walk toward them and you can suddenly hear them talk between ...
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