Questions tagged [open-ended]

NOTE: This tag is currently being debated on Meta. Questions asked under this tag may not fall under the scope of the site. Please be mindful of that when asking a question. Used when the tagged puzzle is open ended to all solvers and could be "bested" at any point, if a given solver has a better solution that fulfills the askers requirements.

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7
votes
1answer
435 views

Character Navigation

Consider the following grid of streets with roadblocks: If you are facing in the direction of the arrow and want to get to the dot, the highlighted path is the shortest: This traces out an L. Let'...
4
votes
1answer
240 views

The Autonumerigram Challenge [duplicate]

Some phrases both refer to a number, n, and are comprised of n alphabetic characters. I call any such phrase an autonumerigram. For example, four has 4 letters seven plus seven has 14 letters ...
12
votes
2answers
541 views

KenKen Zen: A journey begins

Let us shy away from the materialistic opulence of 361- cell KenKen layouts (−9 to +9, squared).  Let us contemplate a modest KenKen journey, unburdened by gratuitously ...
7
votes
3answers
604 views

Building the ideal Scrabble dice set

This is a genuine question and I don't know the "correct" answer to this. I'm also of two minds if it is really on-topic on the site. Finding the answer is surely "a puzzle" (if possible), but it ...
5
votes
1answer
297 views

A Stranger (Chess Sliding Puzzle)

A suspicious stranger lurks in the village. Deal with him before escorting the King to the luxurious safety of h8. White is first to move. Only legal chess moves are allowed. Pawns are not promoted ...
14
votes
3answers
387 views

Pool of Pawns (Chess Sliding Puzzle)

The King has tired of watching the Queen swim in the Pool of Pawns. Help him return to his palace on h8 using as few moves as possible. Only legal chess moves are allowed. Pawns are not promoted on ...
29
votes
3answers
961 views

Rook River (Chess Sliding Puzzle)

The absent-minded king has gotten himself lost. Help him return to his palace on h8 using as few moves as possible. Only legal chess moves are allowed. Pawns are not promoted on the final rank. You ...
5
votes
1answer
276 views

Can You Find a Tower of Hanoi Word?

Consider a simple Tower of Hanoi set consisting of three rods and three disks. This tower has an optimal solution of seven moves; these seven moves are the only ones allowed in what follows. For the ...
24
votes
9answers
3k views

Longest “De Bruijn phrase” in English

Let's call De Bruijn n-phrase a sequence $S$ of n words $W_1 W_2 W_3... W_n$ such that any "left-rotation" of its words constitutes a correct and meaningful phrase. The left-rotations of $S$ are: $...
8
votes
12answers
3k views

One syllable words with many vowel sounds

I'm not entirely sure how to word this, but what is the largest set of one syllable words you can find in which every phonetic sound is the same except the vowel? For example, 'arc', 'orc', and 'irk' ...
7
votes
10answers
3k views

Word with the largest number of different phonetic vowel sounds

Which English word has the largest number of different unique phonetic vowel sounds in it? I will only count one vowel sound per syllable. To make it more like a competition, if two people get the ...
7
votes
3answers
693 views

What is the Sparsest Word?

Side note: If you know a better way to describe an anagram that doesn't use all the letters except for "words within the word" or some other lengthy phrase, please let me know. I considered asking ...
10
votes
1answer
691 views

Dragons: Myth or MathJax?

Ever use MathJax to display mathematical expressions?   Expressions related to fractals? Ever used it to display fractals themselves?!   The time has come. These fractals are based on the ...
4
votes
3answers
328 views

Number wheel Challenge!

Much like the Word-tank-wheel challenge, but numbers! Find a number that can 'rotate' in a way that the origin number and its rotations must be divisible (i.e. whole number) by the number of times it ...
7
votes
2answers
562 views

MathJax: ones and zeros

Do or do not, there is no try.     — Yoda Here is another MathJax puzzle. The Starring MathJax puzzle involved handling numbers in MathJax, even though there are no count registers or ...
14
votes
9answers
899 views

Interaction of the three kinds

There're three kinds of it. Any two of the same kind will give you that same kind. Any two of the different kinds will give you the remaining kind. What is it? I don't know the ...
7
votes
3answers
816 views

Starring MathJax

Twinkle, Twinkle, little star... Having enjoyed @Humn's recent MathJax puzzles (MathJax exposed and MathJax re-flex), I decided to contribute some of my own. This one is a classic $\rm\TeX$ exercise,...
6
votes
1answer
285 views

A Blokus Flow problem

When I'm fed up with the usual rules of the boardgame Blokus, I'm making variations of it. Here is one I recently come up with. Provided on a blokus board, each player has at his disposal every ...
6
votes
2answers
512 views

MathJax re flex

MathJax mirror on the wall, what is the fairest code of all? Let’s find the minimal replacement for (replace this line) in the following MathJax code ...
9
votes
2answers
641 views

MathJax exposed

  WARNING   $ \color{red}{\boxed{\boxed{ \sf ~~{ \large N \, S \, F \, P \rlap{\small P\&CG~SE} }~~~ \huge\raise-.2ex\...
6
votes
4answers
399 views

How do you transport 42 cars?

You're a soldier in the dictator's army. The dictator is very impressed with your incredible abilities. He asks you this question: There are 42 cars in this parking lot over there. How do you ...
18
votes
7answers
3k views

What is the longest rhymonym?

What is the longest pair of words you can find that rhyme and can also be synonyms / used to describe the same phenomenon? For instance, spot and ...
18
votes
5answers
1k views

‘‘Loopy’’ C loop

What is the smallest number of non-space characters that can be added in order to change the following code into a complete C program that prints  ...
7
votes
5answers
726 views

Highest possible score my friend could earn in one Scrabble turn?

My friend has a great vocabulary but is also quote humble. Every time we play Scrabble he wins easily. He says he tries his best, with one exception: If the opportunity ever arose, he would never ...
6
votes
2answers
844 views

No ordinary magic square part 2. How many solutions are there?

Same rules as last time except this time count or calculate the number of possible solutions! No ordinary magic square Place 1-9 in the squares below in a manner such that none of the columns, rows ...
-10
votes
6answers
1k views

Find English words with Sound of V or W?

Search and find some English words which when written starts with o and when speaking they pronounce with sound of v or w lets see who ll find maximum words?
5
votes
6answers
1k views

Challenge: Longest x-height word/sentence

A common puzzle is to see how to make sentences from the same letters, or the longest word in alphabetical order, etc. see here for a list. Now 'the x-height or corpus size refers to the distance ...
34
votes
21answers
12k views

3:3! It's a football score! [closed]

Given to me, by a friend: How would you make 20, using two threes? You may use any basic operation. And others, such as square roots (the symbol), factorials, etc. Any operation is allowed. Just ...
25
votes
13answers
4k views

A rhopalic sentence of at-least 5 words, beginning with as long word as possible

Rhopalic sentences are sentences which have words whose length is one more than the previous word. eg: I do not hunt birds. I do not know where family doctors acquired illegibly perplexing ...
-3
votes
1answer
2k views

longest sentence using only one word and variants [closed]

This is an open ended puzzle of wordplay. Here's an example of acceptable words: reed, read, read, red, etc. They are linked by either different spellings of the same pronunciation (reed and read), ...
4
votes
1answer
273 views

Practical Strategy to beat the casino over the long haul [duplicate]

This is another iteration of beat the casino. That question did not require a practical, implementable strategy, whereas this one does. The rules are the same and I list them below. However, the OP ...
0
votes
2answers
192 views

What is the longest word that can be made using touching characters on a keyboard? [duplicate]

If the keys are touching, you can make them. For example, dew.
21
votes
9answers
2k views

Word Tank-chain-wheel Challenge

My niece gave me this word wheels challenges the other day and I comes up with an alternative. Here's how this challenge works: Find a word that can form another word by moving its first letter ...
20
votes
4answers
1k views

Strategy to beat the casino over the long haul

$A$ and $B$ are attempting to beat the casino again, and the rules are the same: Each round, $A$, $B$, and the casino simultaneously decide to show a $0$ or a $1$. If all three numbers match, $A$ ...
1
vote
7answers
2k views

Change a letter, add a letter

This is based on a word game that as far as I know was invented by my friend's Dad. The goal is to make as long a word as you can, starting from any three-letter word, using the following rule: You ...
29
votes
9answers
5k views

How many consecutive positive integers can you make using exactly four instances of the digit '4'?

Starting at 1 (which is 4 - $\sqrt4$ - 4/4), how many consecutive integers can you make using exactly four instances of the digit '4'? Basic rules: Any operator symbol is "free". Any printed '4' ...
-1
votes
2answers
326 views

Can a single sentence be made using words to, too, and two consecutively (one after the other) in the same sentence properly? [closed]

Without any restriction, can a single sentence be written or spoken using the words "to", "too", and "two" in the same sentence consecutively used (one after the other) and be proper? Please ...
5
votes
1answer
450 views

Optimize cloth usage

A factory that manufactures clothing cuts multiple garments at once. Sometimes a number of markers are used for a job. Each marker may have a single size or multiple sizes depending on what is needed....
7
votes
3answers
581 views

Magic-the-Gathering Challenge: Cheapest Legacy Turn 1 kill

Your Goal: Win the game turn 1 with you beginning the game (so not on the draw) using the cheapest price total of cards used. Rules: Use the "Price Trend" price from http://www.magiccardmarket.eu ...
8
votes
3answers
2k views

Infinite choice question

The assertions in the following infinite list are all the same, true or false.       $~\vdots$   T$~~$F $~~$ I have a black Model T.   T$~~$F $~~$ I have a black ...
-6
votes
1answer
268 views

The longest paragraph competition [closed]

You must write a paragraph using valid English words (either British or American, but not both in the same answer) and proper grammar. No proper nouns or colloquial/slang words allowed. Quotation ...
13
votes
3answers
650 views

The Longest -1 Word

What is the longest -1 word (or the word worth most in Scrabble for words with the same amount of letters(which is just the addition of all the letter values of the original 'word', no constraints)), ...
7
votes
5answers
683 views

Transatlantic road paint

In the US, text painted on roads reads bottom to top: AHEAD STOP In the UK, it reads like normal text: NO ENTRY ...
5
votes
7answers
598 views

The ngrams sentence challenge

When you enter a search into google ngrams, the graph shows the words/strings down the right hand side. What if you could pick search terms such that reading the right hand side of the graph, from top ...
-1
votes
2answers
270 views

The Hallway and Tele Doors ~ Prolong the Inevitable

Sequel to: The Hallway and Tele Doors Note: You need not have to read the above to understand this puzzle, however this puzzle does spoil the above one. The tele door system: Each pair of doors, ...
0
votes
5answers
262 views

What is the largest possible positive number on an 8-segment array? (repeated symbols allowed) [closed]

This is a follow-up to the question, What is the smallest possible positive number on an 8-segment array? However, this time repeats are allowed! You are provided with the 8-segment array in the ...
5
votes
7answers
1k views

What is the smallest positive number on an 8-segment array? (no repeats) [closed]

You are provided with the 8-segment array in the picture together with all the necessary electronics to make any combination of lit segments you want. Fillable version for graphics. http://i.stack....
7
votes
1answer
547 views

Lights in the Dungeon: Five by Five

This is the third in a series Lights in the Dungeon puzzles. previous (2nd) <-- | --> next (4th) You are practically skipping as you leave the four by four dungeon. This has been pretty easy so ...
4
votes
3answers
606 views

Largest Complete Scrabble Block

Let's define a Complete Scrabble Block as an arrangement of Scrabble tiles such that: The four edges are all flat. All words are words. There is an order in which the tiles can be played in a game of ...
-1
votes
1answer
311 views

Make the question less broad [closed]

Recently a question of mine was put on hold for being too broad: Longest $Scramble Sentence$? Or if you prefer have this in the one window: Before we begin, allow me to define what I call a Scramble ...