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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11
votes
7answers
2k views

Fill in the boxes to get the right equation

Here is a math puzzle I had a little bit of hard time with No computers please There is a solution without inverting 6 to 9
10
votes
11answers
12k views

Infinitely long loaf of Bread [closed]

You are visiting your old friend Mike at Infinitely's Baking Shop. Just as you arrived, he was taking out a fresh, infinitely long loaf of bread. Both of its ends extend infinitely long in a ...
9
votes
1answer
578 views

Counter-Red Spiders

An entry in Fortnightly Topic Challenge #35: Restricted Title 1. Title based on this xkcd.This puzzle contains hints for 220 black squares (but that's not the point) but is a standalone puzzle. ...
8
votes
1answer
223 views

My friend's scrapbook

I was visiting with my friend Susie the other day when we got talking about our travels. As we discussed favorite cities we had been to, she suddenly got up and went to grab a dusty scrapbook from the ...
7
votes
2answers
849 views

The round table

Three couples are dining together at a round table and they've all just ordered their desserts. Two waiters arrive at the table, both of them holding three plates. One is bringing the desserts for the ...
6
votes
2answers
1k views

Lighthouse keeper stuck the bath [closed]

A lighthouse keeper decides to take a bath an hour before the next lighthouse keeper comes to relieve him of his shift. This lighthouse keeper is having a bad day. First he accidentally locks himself ...
-4
votes
2answers
369 views

Why was my friend's frog killed? [closed]

My friend's frog was a very good jumper. And the frog was very good at maths, but he was killed by someone, why and by whom ?
-5
votes
3answers
859 views

Awesome Murder Mystery [closed]

Source: gpuzzles.com Note: The owner of gpuzzles.com did not allow me to copy the puzzle, However site is fine pasting picture.
37
votes
4answers
5k views

Odd-looking circle

A man is told to make a circle He makes this: Where is the man?
24
votes
14answers
36k views

How did the man hang himself?

This may be simple and fairly well known, but I couldn't find it anywhere here, and felt it deserved a place in the ranks of puzzles A man is found dead, hanging in an empty barn having committed ...
18
votes
1answer
1k views

What is the reward?

You come in a room, there is someone on a stage, saying something. He has a star and a number that changes on his chest. There is a lot of people in this room, only the ones who speak also have a ...
17
votes
1answer
717 views

A phone call with my travel agent

"Hi Pat, I just got the itinerary you sent over. Are you actually drinking at work?" "Nolo contendre. But what's the problem?" "It doesn't make any sense. I mean, one of the ...
15
votes
5answers
2k views

Roman Numerals equation 1

The following Roman numeral equation is of course incorrect. Make the equation correct by moving exactly one letter anywhere. You must place that letter in the equation (cannot remove it). You can ...
15
votes
2answers
3k views

Grandpa has another non math question

Grandpa says, " This is not algebra or may be it is! IF X = 2 R + C = 6 B + P = 5 or 6 Then What is I + T ? There are, with my logic, three different answers!"
14
votes
1answer
577 views

What world is he talking about?

" This is not easy to figure out", said Grandpa " In this world, 403 = 308 and is same as 83" I couldn't figure that one obviously. " Here is a hint. 5 1 9 2" Grandpa spoke slowly. ...
14
votes
1answer
332 views

A simple association between letters and numbers

$X$ is 5. $U$ is 9. $O$ is 0 or 7. $I$ is 4 or 5 or 7. What is $V$? And what is $K$ (two options)?
13
votes
1answer
1k views

Really, really, really hard sequence

... in which you have nothing to do with math ... except maybe with some counting and this and that ... but no calculations, no, definitely no. $1, 0, 8, 62, 90, 68, 83, 89, 88, 057, 619, 028, 693,...
13
votes
4answers
678 views

Is this equation correct?

Grandpa tells me that the following equation is correct. CIX = FV - CLX I don't get it. Do you?
13
votes
4answers
741 views

A Fountain of Colors

A Fountain of Colors A rock overlooks as my garden unfurls. His pebble admires as the nice sky, it swirls. The odd-looking pink one is chipper today. The lily exposes when Chopin I play. There's ...
12
votes
0answers
417 views

Found the key, but what to unlock?

Here's a series of text messages between me and my friend. Me: Couldn't use ebg13, so used ______ to hide my messages. Him: What? How is this possible??? Me: A big prime ______, what else did you ...
11
votes
3answers
681 views

Cryptobiology? Biocryptology?

I have a friend who is a self-proclaimed cryptobiologist. Okay, maybe I don't, but if I did, I like to think she would have presented me with this puzzle: Find the hidden message: 441344•...
11
votes
2answers
511 views

Another Twin Puzzle: Three Days Difference

Today is my first day joining my college's Puzzle Club. It is so much fun gathering in a group with similar interests! I meet a lot of new friends and of course asked their contact number to discuss ...
10
votes
6answers
2k views

Miss Danner and the Elmer Boys

Miss Danner, a primary school teacher, is on her way to school - it's the first day of school this year. In class, she sees two identically looking boys sitting in the first row. Aw, twins, so cute!...
9
votes
1answer
354 views

Sequence seen on the street

I was walking on the street when I saw the following numbers: $0, 7, 2, 3, 9$ The sequence continued a bit further then looped back. However, it was not the sequence I was expecting, so it took me ...
9
votes
2answers
487 views

Michel's mysterious message

The following text-message exchange took place yesterday between me and my friend Michel: M: Çorâ ârb fyk! Çî bwæ rœt nœ mæ þœśol? Ap kôx so śêm am śêmipat ø jûp? Aś wæ śadwol ap îp lakrœ am tœmb! D: ...
8
votes
6answers
2k views

How many rectangles are in this image? [closed]

Entering 30 characters is quite a lo
8
votes
3answers
1k views

No Christmas presents until you solve this!

This morning I received an email from Santa Claus himself. He wanted to tell someone about the problems he’s facing and chose me. When I read about his problems I was worried because I like my ...
6
votes
1answer
795 views

What's the more general case of this puzzler?

There is a puzzle which I remember from many years ago which can be summarised as It is easy to arrange 20 items in five rows of four items, but how could you arrange just 10 items in five rows of ...
5
votes
1answer
164 views

I can signal the demise of the world, or I may be the key to unlocking it

I may have four legs, or I may have none- I may have two ears, but perhaps I cannot hear. I may have two eyes, but could it be that I cannot see? Either way, I can be found in your home; Either ...
4
votes
1answer
247 views

4824 Draw an award 4284

After you finished the last one with a ceasar cipher: [ Definitely not suspicious ] I realize that you guys cannot be distracted. So, I will tell you the answer, right here. $Phew!$ While everyone'...
4
votes
2answers
283 views

Falcon Circus, Chapter 3: The Jungle

The Wise You get up and dust yourself off. Pushing extra leaves and vines out of the way, the sign reads, "THIS WAY! THAT WAY! NO WAY? YES WAY!" You let out a big sigh. Oh boy. There was one door in ...
3
votes
1answer
228 views

An alternate answer

Really rare report! Today, Todd texted this: ♦☼ ↓☼§ ♂♫☼↨ ¶◘♣ ☺♫‼○↨♣↕ ♠☼↕ ◄§♣‼¶♥○☼♫ ‼○↑ ☼♫ ¶◘♣ ♪☺¶◘ ◘☼♪♣↨☼♣↕♂? ○ ♥☺♫'¶ ♠○•§↕♣ ○¶ ☼§¶. Although, having solved it, I decided it's too easy and decided ...
-4
votes
9answers
3k views

What is the snake trying to tell us?

My friend's pet snake told this below message to us... What is the message it is trying to tell us? What is the pattern? PL,MKOIJNBHUYGVCFTRDXZSEWAQ
32
votes
1answer
3k views

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?
19
votes
5answers
5k views

Divide an integer by 2 by replacing 9 with 0

What are examples of integers that halve their values when all 9's in their decimal representations are replaced with 0's?
15
votes
1answer
752 views

Japan is in India

Inspired by this question: Which country is INDIA in? Japan is in India. New Caledonia is in Lima. Greenland is in Quebec, but only during the winter. Portugal is in November in the winter too. ...
13
votes
3answers
931 views

One More Twin Puzzle: Four Days Difference?

This is updated version for Another Twin Puzzle: Three Days Difference Today is my first day joining my college's Puzzle Club. It is so much fun gathering in a group with similar interests! I meet a ...
11
votes
2answers
933 views

Numbers in the series: The British way

What are the next two numbers in series? Six hundred and forty Five thousand Eight thousand ? ? What are the next two numbers? Is this a trick question? Note: I am using ...
8
votes
6answers
501 views

A Riley some Math and a Confusing Note

A Quick Note I am having a hard time picking a topic for my next story riddle and have decided to make a new puzzle. Today I have combined a multitude of puzzles into a single larger puzzle to make ...
8
votes
3answers
1k views

Grandpa and numbers: Another Grandpa Mystery

Grandpa loves to make silly little statements. And he thinks they are riddles. The other day he turned to me and said: "This is not math but Take a number Add a number to it And ...
8
votes
1answer
669 views

A dollar, a penny, there's no difference

Sam is a gluttonous kid, so he decides to buy a colorful lollipop at the price of 1$ (one dollar) in the nearest candy store. Though, he realizes that he can't afford it as his budget is just 1¢ (a ...
7
votes
3answers
886 views

Your not so normal 'Who am I?'

This Who am I? Is a little more in depth, with a few puzzles to solve to get to the final answer. First let's start off with a short story riddle. From the story you should get two answers. One is 5 ...
5
votes
9answers
1k views

Robot Long and Robot High

Note: supercat's answer was the closest to what I was intending. I've started a second question to ask a better way to phrase this puzzle that will allow more people to recognize the solution without ...
5
votes
1answer
319 views

Saving The Mayor (Part 2)

– Saving the Mayor, Part 2 – To play Part 1, click this link- Find the Cell Number, free the Mayor PART 2 – Saving the Mayor (Again....) It’s another cold day off the East of France. It was as if a ...
5
votes
1answer
844 views

Find the secret phrase in this encrypted image (Part 4)

Welcome to the final stage of Quark's encrypted image puzzle series. I don't really like reusing old tricks so this puzzle will NOT require steganography tricks. There's not much else I can do to a ....
5
votes
3answers
519 views

Where did you end up? [Part 2!]

Follow the clues and tell me where you are in the end. You are here The birthplace The biggest child The first letter of it's name Go left Note: This one is harder, ...
5
votes
1answer
1k views

How to rotate a projected image 90 degrees

In film school, I wanted to project a film of mine in portrait (vertical) orientation rather than landscape (horizontal) orientation. However, my film professor told me that the projector couldn't be ...
4
votes
1answer
221 views

My uncle's impossible yet clean enigma $9+5=2$

My uncle gave me the puzzle: $9+5=2$ Quelle est la réponse ? That translates to $9+5=2$ What is the answer? I don't know the answer yet. I have look into matchsticks without success but it ...
4
votes
1answer
1k views

How did he know which rose to pick?

One day a wife picked a rose from a magical bush. Little did she know the rose bushed was cursed by a witch and who ever picks a rose from her bush gets turned into a rose and put on the bush. The ...
3
votes
2answers
291 views

The Cryptic Lab ~3~

SPOILER ALERT PLEASE READ The Cryptic Lab * 1 * AND The Cryptic Lab +2+ BEFORE READING PART 3! The series is getting less and less attention, so I might close it sooner than I think; after part 5 is ...