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
7
votes
2answers
153 views

Knights and Knaves on a (Not So) Deserted Island

One day, while flying your single-engine seaplane out over the Pacific, the electrical system shorts out, all of your electrical systems (including the radio) fail, and the engine dies. You are in a ...
9
votes
2answers
324 views

They are all tied together

There are four different things shown below One Vertical One Horizontal Two diagonal All have one common thing (the ? box) which ties them together What is it?
18
votes
2answers
9k views

A Non Math Puzzle. What is the middle number?

There are three patterns below. Two diagonal and one vertical. The middle number is common to them all What is it? It is not mathematical per se. NO partial ...
10
votes
1answer
337 views

A story puzzle for you

My brother loves numbers. He likes to pick a number, reflect, and enjoy its presence. He picked a number and asked me to guess it. I guessed random numbers for twenty minutes. I never got it ...
8
votes
2answers
357 views

Grandpa's Crazy Math II: Another Grandpa Mystery

Grandpa says: "This is really a stretch but Prove to me S = 0.5 or 1/2 Grandpa and his very lateral thinking!
-6
votes
3answers
190 views

the camel and the eye of the needle [closed]

A farmer told me, without lying: "you see this camel over there" showing me a camel eating, "it passed whole through the eye of a normal needle" How is it possible, knowing that I too do not lie ...
20
votes
5answers
1k views

What is the corner house number?

The Singh family lives in a housing development full of Scientists and engineers (god forbid!). The Home Owners have come up with weird ways of numbering their houses. K Street is all engineers ...
16
votes
11answers
4k views

No Shirt, No Shoes, Service [closed]

I was walking outside on a hot summer day, when I suddenly got hungry and walked to a restaurant to eat. I tried to go in, but I was rebuffed at the door. The server pointed to a sign outside that ...
4
votes
1answer
163 views

Rubio, please help Clark!

Clark who is consecutive in nature, lives in California near the 100th street. Today he decided to take his palindromic boat and visit France. He booked a room which has a number of thrice a prime. ...
2
votes
6answers
193 views

Two untrusted traders [closed]

I'm sure this has been asked before, but I tried searching and couldn't find it. I don't know the solution, and it is possible there isn't one. There is unsavoury pirate and an unscrupulous merchant....
11
votes
1answer
370 views

Mirror Mirror on the wall, who's the richest of them all? (I make billions #7)

Mirror Mirror on the wall, who's the richest of them all? (I make billions #7) Clue group 1: This spa provides a great relaxation rub. Earbuds are included too. I compared virtual machines, and ...
-6
votes
2answers
147 views

Who doesn’t belong in the group? [closed]

Identify the ones that are oddballs B C Ba W H Fe Si Br Rn I N O P
13
votes
8answers
4k views

Four ships at the ocean with the same distance

Four ships are located at the ocean, such that the distance between all four ships is the same. How are the ships positioned?
3
votes
1answer
185 views

Holy Alphabet Arithmetic

$Given$: $A$+$B$+$C$=3 $B$+$C$+$D$=3 $C$+$D$+$E$=1 $D$+$E$+$F$=1 What is $E$+$F$+$G$=?
12
votes
5answers
694 views

I make billions (#5)

I make bullions balloons billions (#5) Main clues: These statues are wonderful! I'm going to invest in the sculptor. Move faster! I need to finish the 18th hole and return this golf ...
-3
votes
1answer
77 views

Strange? Primes and Palindromes have no business being in this Place?

$1$ $1$,$2$ Good easy start $1$,$2$,$4$ As expected $1$,$2$,$4$,$8$ I know it is going to be easy $1$,$2$,$4$,$8$,$16$ why is he giving this? I got it! $1$,$2$,$4$,$8$,$16$,Prime ...oops!.....
5
votes
2answers
227 views

I make billions (#4)

I make billions (#4) For years did a sharp little verse, Grow fast in our ears like a curse, A tune on TV, Did subconsciously, Cause all to spend much from their purse, Who / what am ...
6
votes
0answers
261 views

What causes these signs to follow this relation?

Can you find why does the below relation hold true? Hint 1 Hint 2
4
votes
1answer
113 views

Deduce the Missing Terms in the Sequence

$NINE$ + $5$ $EIGHT$ + $3$ $SEVEN$ + $2$ $???$ + $?$ $FIVE$ + $1$ $????$ + $?$ $?????$ -$?$ $???$ - $?$
10
votes
1answer
222 views

Welcome to my kitchen

Today I mixed some food products and saw interesting outcomes. Silverbeet + Gelatin $\equiv$ Snickers Lime + Nacho $\equiv$ Kiwi Sesame + Tea $\equiv$ Popcorn Can you find how these ...
6
votes
5answers
765 views

The Starks, Parks, Clarks and their kids

Inspired by Martin Gardner's puzzle from his book John,a new student at the Math Department of the College, was invited to a get-together at one of the Professor's house. Professor Stark welcomed ...
11
votes
1answer
509 views

Professor Roman gives unusual math quiz ahead of

His usual Monday Morning 8am class. This is for extra AAA credits. $A$, $B$, $C$ are distinct digits. $AA$, $BA$, $BBAAA$, $CBBBAB$ are distinct numbers. Please deduce these with concise reasoning ...
-4
votes
2answers
265 views

On Fri morning I was racing to work and took usual NYC train from Princeton and

I found a piece of paper with these scribbled on it Dark Thunder. X P X ...with P circled Silver Lightning. X X X... What could those X s possibly represent? Hint 1: Given yesterday Hint 2: ...
3
votes
1answer
213 views

Tom travels extensively all over. He was trying to figure out

The missing members in the following sequence. $A$, $A$, $A$, $A$, $?$, $?$, $?$ Please help him out.
6
votes
2answers
314 views

Unorthodox Prof. Roman’s Chemistry Class Quiz

Prof. Roman of Chemistry department as you all know is quite unorthodox..here is his Quiz. It is Monday Morning and it is time for Prof. Roman’s unusual quizzes to his chemistry class. What is the ...
1
vote
1answer
200 views

A sentence with all numbers [closed]

Crazy thought. Can you make an (grammatically correct) english sentence using english words which are all numbers? Each word in that sentence must represent a number. I am expecting a minimum 6 ...
4
votes
3answers
241 views

What are the missing members in this sequence based on the digits 0 to 9?

Find the missing members? 0, 0, 2, 0, 2, 3, 0, ?, ?, ? Hint 1
14
votes
1answer
315 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)?
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
337 views

What's up with my calculator?

As I am wont to do, I got a new calculator the other day. Obviously it needed a few test calculations: 5 + 6 = 11 22 - 17 = 5 10 + 3 = 13 4 * 6 = 24 OK, so ...
3
votes
1answer
606 views

Find my name from this list of symbols

From the symbols below, find my name? # ! # @ * @ & \$ ^ # * # \$ #
17
votes
1answer
936 views

Kara's bitmap picture

Kara recently received a puzzling bitmap image by email in the shape of a trapezoid. She didn't recognize the email address, and she doesn't know why she would be receiving such a picture. She ...
18
votes
3answers
2k views

Bookshelves: the intruder

Somebody has messed up my bookshelf by shoving a book into completely the wrong place. Which is the intruder?
4
votes
1answer
165 views

Can you solve this numerical puzzle

Puzzle goes like: 3, 2, 12 10, 4, 9 8, 6, 3 9, 6, 2 7, 4, (?) Can you answer what can be the (?) mark, with explanation
13
votes
2answers
810 views

Roman Numerals Equation 2

This is a follow up for Roman Numerals equation 1 With your creativity and lateral thinking and any ways you can think of (except the restrictions below), make the following equation correct moving ...
4
votes
1answer
194 views

Help Aunt Nora solve this puzzle

Aunt Nora has the following images which contain hints to objects used in the production of a specific substance. What is the substance?
4
votes
1answer
273 views

Crazy for revenge

@Brandon_J recently asked us in Can't Even Sit Down to identify a movie based on the words tart con arc host I've also been to see a fun movie from a few years ago, just a short one buck ...
3
votes
2answers
230 views

Find the cipher used

Each of the following lines were said by various famous personalities. Each line corresponds to one person. There is no relation between these lines. After obtaining the names of these people, A 6 ...
2
votes
2answers
109 views

Find the set of letters corresponding to a set of words

Each word in the following list corresponds to one letter: rôle résumé Jalapeño xoriço ö führer The combination of letters can be represented as ----uu Here, the -'s represent the missing letters. ...
-3
votes
1answer
157 views

Duel of Four Knights

Four knights are preparing to duel. Each has a different weapon, and will start with it sheathed in his own corner of the square 10 by 10 meter chamber. Each knight moves 5 meters per second. The ...
14
votes
2answers
402 views

Maybe you should Chew on This for a while!

I looked into a big black bag and found some dip. I chewed on it. When I got to the end I spit out towards a light that never seems to move. As I traveled towards this light, I noticed that the ...
5
votes
7answers
642 views

The selling of the sheep [closed]

I do not know the answer to this puzzle, and I found it in some old files I had Many years ago, there was a shepherd with 3 children. One day, while talking to the owner of the herd, the shepherd ...
-4
votes
2answers
114 views

Not breaking the egg [closed]

What is the simplest approach to make an raw egg fall for 2 meter and not breaking it? *You can't catch it. Hint 1: Hint 2: Hint 3: Hint 4:
19
votes
1answer
354 views

Is it a word? Really?

Grandpa says: show that the following number equals a 5 letter word with multiple meanings (one of them not good) I I I X I I X I I X I I I X I I X I I I was wondering if that silly thing ...
4
votes
3answers
299 views

Alphabet I: Prove it!

The sentence below is out of alphabetical order, but can you prove it? As always, good luck! All because blue cheese fell happily. Hints The language tag is used to denote that the puzzle has ...
5
votes
2answers
610 views

Can you complete the sequence?

Well, can you? Q, W, R, I, ? Make sure you provide your reasoning. I can ensure you there is a pattern here. This is probably a simple one, but good luck as always!
6
votes
0answers
188 views

My drunken formula?

I know that today is an important day, but I can't remember why... All I have in my possession is this formula I wrote last night in my drunken stupor: You go here: $$B = 25 + \biggl(\frac{O}{...
5
votes
1answer
229 views

Picture puzzles

What is this image a picture of?
84
votes
1answer
5k views

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 ...
13
votes
6answers
1k views

Sally's older brother

Sally smiles at her older brother and says, "Happy 30th birthday!" He shakes his head and replies, "I'm not 30 yet, but you are!" How is this possible?