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.

Filter by
Sorted by
Tagged with
14
votes
1answer
613 views

No trap in this one

This visual puzzle resolves to a number. HINT Hint2 Hint3 Hint4 Hint5 Hint6
6
votes
1answer
250 views

One code to rule them all

Kurt, our crusty old mainframe admin, finally retired last week and I've been given the task of sorting through his files. Most of the files were comprehensible, if not understandable, like his old ~/....
-1
votes
0answers
59 views

Deducing Puzzles [duplicate]

There are some puzzles , where it is very difficult to find the solutions and many will probably think that there are no solutions . But actually solutions are hidden as clues in the puzzles . Here ...
4
votes
1answer
240 views

Murder on the Fairway

A body has been found at the Green Estates Fairway. Next to the body was a bloody golf club which was later confirmed by the medical examiner to be the murder weapon. Thankfully, only ten men ...
2
votes
2answers
1k views

A man was born in 1881 and died in 1883, yet he was 90. How?

A man was born in 1881 and died in 1883, yet he was 90. How it is possible?
32
votes
4answers
6k views

Why is hell equal to 114.3 metres?

Well, the title says it all really. $$\text{hell} = 114.3\; \text{metres}$$ Why is this the case?
9
votes
12answers
708 views

Write a Schrödinger's sentence [closed]

Write an indicative sentence whose truthfulness cannot be objectively determined before you try to find it out, but is immediately decided as soon as you begin to find it. The truthfulness must not ...
25
votes
6answers
1k views

Some numbers are more equivalent than others

[Second part and bounty challenge appended in May 2020]           ALL ANIMALS ARE EQUAL    BUT ...
12
votes
3answers
617 views

The Eighteen Carefully Sorted Books

I will here propose you $9$ ways to sort $18$ books. Those books remain the same. For each $9$ ways you have to tell why this is a sort over this books. Meaning: There is no Bookleft > Bookright > ...
25
votes
4answers
5k views

Same word fills all the blanks

Inspired by the famous puzzle (origin unknown to me) Fill in the blanks in the following sentence using the same word OR its split versions (not anagrams). A _____ surgeon, was _______ to ...
8
votes
1answer
235 views

What is an IHC. word™?

This is in the spirit of the What is a Word/Phrase™ series started by JLee with a special brand of Phrase™ and Word™ puzzles. If a word conforms to a special rule, I call it an IHC. Word™. Use the ...
4
votes
2answers
318 views

I… Can't believe you grandfather!

Grandson, when I was born, there were no less than 2,005 times... Hum. One billion people, I think. Thank you calculator! In the world. — How come my old grandfather makes such en error? Note 1:...
6
votes
10answers
394 views

Matchsticks $9+9=8$ [closed]

You are given the matchsticks wrong equation $9+9=8$ and you can move, at most 3 matches. Your aim is to find all correct equations. Selected answer will be one that discovers most correct equations ...
17
votes
6answers
2k views

They have the same birthday, but two are older

A while back, I was at a sporting event, holding my ticket and waiting for the race to begin, when a woman came up beside me and commented, "You know, the runner in lane one and lane two both have the ...
10
votes
1answer
504 views

His reputation went up!

Today, a new user John created an account on PSE, and he got an association bonus. He answered a question. Few days later, after logging in, his reputation went up! (He did not do any other things ...
4
votes
5answers
174 views

May Make $\frac5{2020}$ 2020

For May 2020, try to create $\dfrac{5}{2020}$ using the least possible number of integers in the set $\{1,3,4,6,7,8,9\}$. $2$, $5$ and $0$ are not allowed. Example: $$\dfrac{4+1}{3\left(673+\frac13\...
4
votes
1answer
193 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 ...
9
votes
1answer
308 views

Old, yet we stand tall

This puzzle requires a specific answer which consists of 4 letters only. With the help of the image below(and the title) you will get the right one.
0
votes
2answers
122 views

The Money Confetti [closed]

A box containing one hundred $\$100$ bills was emptied by tossing its contents out a window. All of the money, which was real, fell onto the ground floor below. After all of the bills landed, they ...
1
vote
5answers
198 views

A couple have 9 children, half of children are boys, how? [closed]

My friend asked me the puzzle, A couple have 9 children (none of them were adopted) Each child must be either a boy or a girl Half of that couple’s children are boys How that can be ...
7
votes
2answers
233 views

A curious odd one out

Which one of (a), (b), (c), (d) or (e) is the odd one out and why? Source: based on a puzzle from Alex Bellos
7
votes
2answers
627 views

A self-referential puzzle

This puzzle uses X characters of text. Can you replace "X" with the correct number? Spaces and punctuation are counted too. Good luck!
8
votes
1answer
319 views

Fill your bags with marbles

You have 50 bags. How many marbles do you need at least, so that you can have a different number of marbles in each bag?
7
votes
2answers
420 views

West face East face

The 1 x 1 x 2 die with new configuration was created from 2 dice (with opposite faces totalling 7) that were glued together on one of their faces. If this long die is rolled twice, the sum of non-...
5
votes
1answer
183 views

Predicting the future?

I was browsing my email one morning when I got this curious email: Date: February 17, 2020 Subject: Want to see the future? Hello, I am a clairvoyant who can predict the future. I have ...
-7
votes
1answer
212 views

What is the difference between a bird?

Attention here one should not play on words, the question is to understand literally, and there is of course at least one answer. What is the difference between a bird?
63
votes
4answers
49k views

A seven letter word - the meaning doesn't change if you remove letters

I am a seven letter word. If you remove one letter from me my meaning does not change. If you remove two letters from me my meaning still does not change, and if you remove three letters from me, my ...
6
votes
7answers
1k views

Five minutes puzzle: Multiway switches

Here's an easy puzzle that should take you only five minutes to solve, inspired by my hallway. Most intuitive answer get the mark: Six switches control the same light bulb in a multiway switching ...
2
votes
1answer
92 views

The Magic LeaderBoard

Every Saturday at Netopia's Square, a peninsula at the tip of southwest Netopia, there is a leaderboard kept of Netopia's Square's six local resident wizards. (in no particular order) They are ...
17
votes
6answers
2k views

Check my drawing skills!

I was never too good at drawing, but... if this is the case, there is a word associated with this bmp image. Find out which one. Hint 1: Hint 2: Hint 3: Hint 4: Hint 5: Hint 6:
1
vote
4answers
270 views

It looks similar, but not the same

The puzzle: The solution is a single number, which replaces the question mark. Good luck!
7
votes
2answers
469 views

The Russian machine has a flaw

The year is 1969. You, Robert James Fischer, are invited in a secret Russian basement to 'play a chess game against a strong opponent'. When you finally meet your opponent, a Russian bald guy who is ...
7
votes
0answers
468 views

Zed's Phone: Failure to Communicate

My friend Beto and I constantly buy things for one another. One day, he gave me a strange-looking phone and said it was my birthday gift (My birthday wouldn't be until 3 more months). He said he ...
6
votes
1answer
332 views

Help Kevin come out of this mysterious world!

Kevin is stuck in a mysterious world. Your task is to help him find the correct route to get back to Earth. He finds the following pieces of paper on the ground. Kevin collects these ...
15
votes
3answers
850 views

Four fanatics and one checkerboard

Four checkers-playing fanatics eagerly pair up for two simultaneous games of checkers but somehow find themselves with just one board. They do have enough checkers for two games, so it is time to act. ...
-4
votes
4answers
272 views

Loophole in anti-sex laws

There is only one country on Earth, Oceania. It's a totalitarian society ruled by a person with title "the Greatest Of Dictators" (G.O.D. for short). There are videocameras everywhere, citizens of ...
4
votes
0answers
231 views

Complete the following analogical analogy

In an analogy ":" means "is to" and "::" means "as/like". Now, since this is almost an analogy (maybe a future type), I will accept the solution if it's almost correct. Kinberg : ‴niɘɈƨnɘƨiƎ‴  :: ?
11
votes
2answers
895 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 ...
9
votes
4answers
2k views

The murder by the maid - Who is the murderer

A man was killed in a roundhouse with no doors or windows. Four maids were present at the time of the murder, but are saying nothing. When asked what they were doing they replied as thus: Maid 1: 'I ...
-6
votes
2answers
524 views

The 100 Point Maze

How do you score 100 points without using the same route twice?
2
votes
1answer
380 views

A short puzzle especially for social isolation time

Solve the following analogy. ":" means "is to" and "::" means "as". Text only:
4
votes
0answers
409 views

Zed's E-mail: My Good Ol' Uncle Sugar

My friend Gabby and I constantly look out for each other. Just the other day, she received a strange message from what I thought was an uncle of hers. "Problem is," she started with a worried look, "I ...
-2
votes
1answer
339 views

You don't know what this means

What name is missing from the second place in the following line? Rembrandt ? Heinrich Replace the question mark. Hint 2
6
votes
1answer
178 views

Two related number sequences; 20,12,14,8,7 and 4,1,5,9,11

Can you predict the next numbers in these two sequences, which are strongly related to each other. 20,12,14,8,7 and 4,1,5,9,11 these number sequences do not appear in oeis.org
3
votes
0answers
258 views

The answer to this visual puzzle is a name

The answer to this visual puzzle is a name
5
votes
1answer
307 views

The Weird cipher password?

During your search to the ' great hidden computer virus ' , you realized that you are just a password from accessing it. Frantically , you searched for a clue that might help you . At last you ...
13
votes
5answers
369 views

I'm not a Tesla

Here goes: I won't say Yes 6 months from now Cast your net, as soon possible To Kevin Spacey: Who won the sequel? Play me once but skip the major I'm not a Tesla. What am I? Note that the ...
5
votes
1answer
398 views

A unique rebus+

I'd call this a rebus+ (complexity, visual components, lateral thinking). The answer is a letter. Short story of the problem: I was happy, I felt I finally invented something solvable, easy, and ...
134
votes
8answers
35k views

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?
-4
votes
4answers
827 views

An interesting mathematical question

If a gas station is 1 mile away from my house and the average person walks 5mph. Its a sunny day and no wind. Why does it take my dad 15 years to come back from the gas station?

1
2 3 4 5
21