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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10
votes
5answers
9k views

The Morality of Rice [closed]

This is a classic riddle of mine. Please read the scenario below for the setup. You are sitting around a campfire and a friend smiles and says: Sam: I have a riddle. Intrigued, you ask him what ...
2
votes
1answer
358 views

Who is Paul's girlfriend?

Persons: ...
1
vote
6answers
158 views

Two untrusted traders [on hold]

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....
12
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?
10
votes
1answer
333 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 ...
15
votes
4answers
1k views

Help with this riddle please

What can you take but not give? What takes hours to do but it’s over in an instant? You can get it but never save it. What gives you sight without seeing? Run without legs. Travel the world ...
12
votes
5answers
675 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 ...
-6
votes
2answers
124 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
3
votes
1answer
168 views

Holy Alphabet Arithmetic

$Given$: $A$+$B$+$C$=3 $B$+$C$+$D$=3 $C$+$D$+$E$=1 $D$+$E$+$F$=1 What is $E$+$F$+$G$=?
5
votes
0answers
227 views

What causes these signs to follow this relation?

Can you find why does the below relation hold true? Hint 1 Hint 2
-3
votes
1answer
71 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
214 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 ...
14
votes
1answer
328 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 ...
6
votes
5answers
738 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 ...
4
votes
1answer
107 views

Deduce the Missing Terms in the Sequence

$NINE$ + $5$ $EIGHT$ + $3$ $SEVEN$ + $2$ $???$ + $?$ $FIVE$ + $1$ $????$ + $?$ $?????$ -$?$ $???$ - $?$
-4
votes
2answers
258 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: ...
10
votes
1answer
207 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 ...
11
votes
1answer
500 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 ...
3
votes
1answer
208 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.
1
vote
1answer
195 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
1answer
265 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 ...
6
votes
2answers
307 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 ...
14
votes
1answer
304 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)?
4
votes
3answers
235 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
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!"
10
votes
1answer
565 views

Who is at the mall?

My younger sister wanted to play a game with me. She: You have to say a random word, and I'll tell you a number related to it. In the end, I'll ask you a question, whose answer will open a secret ...
35
votes
11answers
18k views

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 ...
10
votes
3answers
1k views

The puzzled wife

A lengthy question Once, a woman was getting ready to have a look at three suitors who had come to extend their wishes of marriage "A," "B" and "C." When she was getting ready, a poisonous snake bit ...
3
votes
1answer
599 views

Find my name from this list of symbols

From the symbols below, find my name? # ! # @ * @ & \$ ^ # * # \$ #
16
votes
1answer
922 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 ...
13
votes
2answers
804 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 ...
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
159 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
4
votes
1answer
190 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?
3
votes
2answers
224 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
108 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. ...
14
votes
2answers
394 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 ...
-3
votes
1answer
152 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 ...
11
votes
6answers
613 views

Temple Password

You and your friends Brutus and April are exploring an ancient temple when you encounter a locked door with a stone keypad next to it numbering 0, 1, 2 and 3. Out of curiosity you decide to type in ...
4
votes
3answers
293 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
7answers
634 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 ...
5
votes
2answers
602 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!
19
votes
1answer
333 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 ...
5
votes
3answers
2k views

Everyone knows bullets are magnetically pulled to anyone who's about to retire

Decided to try a little writing with this puzzle, so forgive the bit of extra length. Hopefully the story is entertaining enough to forgive a tiny bit of extra length ;) "Alex is almost three, and ...
9
votes
2answers
534 views

A strange message from space?

I was listening to AM radio (frequency 1480) the other day and an odd message came through in what seemed like an infinite loop. Drop 5. Echo 0. Negate 0. Split 4. Enter 1. A ...
6
votes
0answers
181 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}{...
-4
votes
2answers
111 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:
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 ...
5
votes
1answer
224 views

Picture puzzles

What is this image a picture of?
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?