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Questions tagged [no-computers]

A puzzle designed to be solved without using calculators, online decoders or computer programming.

2
votes
2answers
36 views

The Inducheon Conspiricy (Who is guilty #8)

At the Korean Nation Police Agency (NPA) in Migeun-dong, Seoul, researchers discovered that 73% of the Senior Inspectors (경감, 警監) all came from the small village of Inducheon. At first they thought it ...
5
votes
1answer
118 views

The Inducheon Conspiracy (Who is guilty #7)

At the Korean Nation Police Agency (NPA) in Migeun-dong, Seoul, researchers discovered that 73% of the Senior Inspectors (경감, 警監) all came from the small village of Inducheon. At first they thought it ...
11
votes
1answer
157 views

This compound word is a fun thing

Here is an interesting compound word It has all the 5 vowels but used only once (no repeat of the same vowel) It has 4 consecutive words that include 2 names. It starts with a name and ...
4
votes
1answer
146 views

Murder Detective (Who is guilty #6)

[This is a puzzle I've been working on. It has a unique solution. This one is meant to be one of the easier ones. Comments, thoughts and suggestions are welcome!] The suspects are Amos, Celia, Emilia,...
3
votes
2answers
164 views

A Criminal Conspiracy (Who is guilty #5)

[This is continuing from previous puzzles. #4 was quite tricky. This one is meant to be much easier (I'm testing the boundaries here). I've been testing various versions and would love your thoughts. ...
7
votes
2answers
207 views

A Criminal Conspiracy (Who Is Guilty #4)

[Appeal: I'm trying to figure out a fun puzzle formula. There are many out there ("Who owns the fish", sudoku, etc). I'm interested in feedback on whether this works or is interesting for people. ...
9
votes
10answers
4k views

A Body Part inside another Body Part

In one of his silly question mood Grandpa says: " Can you name a body part that is entirely inside (within) another body part but some distance away?" Taking the clue from his last question I ...
14
votes
1answer
529 views

A Compound word full of words

This compound word is full of words. You might say it is made up of 2 words and you would be right. But the first of the 2 words is also a compound word! You might say it is made up of 3 ...
1
vote
2answers
107 views

Endless eight swap

I have a pegboard with 10 pegholes numbered 1 to 10. There are 10 pegs of different colours: dark blue, orange, violet, black, light gold, indigo, navy, green, ivory, and teal. Each peg initially is ...
6
votes
2answers
409 views

The Chessboard Exhibition

Why not, another entry in Fortnightly Topic Challenge #41: Short and Sweet I just bought the newest, coolest chessboard! I think I'm going to share it to my five chess pieces at the National ...
5
votes
6answers
1k views

Anagrams: From Cheese to Sneeze [closed]

Anagram time! Similar to Anagrams: From Food to Food, but this time its From Cheese to Sneeze, or (almost) Anything You Please. Brief: You must turn the names of cheeses into common nouns using ...
37
votes
5answers
2k views

Unusual letter combinations

This is an entry in the Fortnightly Topic Challenge #41: Short and Sweet. English spelling is very strange. Sometimes you encounter words with letter combinations that would seem entirely ...
14
votes
8answers
2k views

But it is not an Enclave

What country (sovereign) lies entirely within (inside) another country, But It is not an Enclave? Two possible solutions
3
votes
3answers
289 views

Grandpa's Numbers

Grandpa likes pencils but not pens Grandpa likes Beijing but not Tokyo Grandpa likes math but not chemistry Grandpa likes Contact but not _______ Make sure to explain! Hint 1: Hint 2:
6
votes
2answers
2k views

100 Fruits for 100 Dollars a more challenging version

This is a more challenging version of the reported puzzle " How will you get 100 fruits in Rs. 100? " Bob buys 4 different fruits for exactly 100 dollars Jackfruits cost 15 dollars each ...
13
votes
2answers
1k views

A Halloween Chess Puzzle

Halloween is finally here, so I thought I'd do a theme puzzle! I love chess, and I wanted to do a chess puzzle... so... (It kind of looks like a jack-o-lantern, okay?) Black to move and ...
13
votes
2answers
1k views

Knight Checker Puzzle

Inspired by this question Here's a quick Knight Checker (a chess variant) puzzle. In case you haven't read the rules to it in the above link, I'll repost them here: Each player begins with 1 ...
0
votes
2answers
558 views

Spelling Puzzle

All right students, take your seats for the "Spelling Bee." Perhaps I should say "Arranging Bee." Listed are the names of seven countries of the world. For the test, I have scrambled the letters that ...
7
votes
3answers
619 views

No spanish required

Each letter represents a digit, so what is Mucho and Poco (although who's to say?) ...
11
votes
4answers
2k views

A poorly-designed chess problem

Entry into Fortnightly Topic Challenge #40 Out of character comment: For effect, don't open up the next spoiler until you've finished the statement before. If answering, please explain each remark. ...
2
votes
1answer
97 views

Excited Raichu vs the Dream (Chess Puzzle)

(Source: An actual tournament game I played all the way back in 2016) I had the weirdest dream last night… It started out normal enough, which for me, is basically nothing… but then I woke up, ...
4
votes
1answer
173 views

The Wheel of Judas

I was studying up on some pretty archaic methods for testing intelligence and I came across one called The Wheel of Judas. It is said that if you were able to fully solve the wheel that you were a ...
3
votes
1answer
133 views

Facing four mate threats

Just a regular chess puzzle. White to move and win.
3
votes
1answer
225 views

An Antichess Puzzle

There's a fairly popular alternate version of chess called Antichess, or Losing Chess, or about seventeen other names. In this variation, the pieces move as usual, but the rules are slightly altered. ...
17
votes
6answers
3k views

Nobody likes this compound word

This compound word, that no-one likes, is made up of 3 consecutive words. Also made up of 2 consecutive words. Also the prefix and suffix are identical words Uses only 3 consonants. ...
12
votes
2answers
329 views

Cannibalistic Words

Drawing from the word pool below, find the twelve Cannibalistic Words. (Note the no-computers and logical-deduction tags.) WILD _ _ ☐ _ _ _ _ ☐ PENS ☐ _ _ _ _ ☐ _ _ DEED _ _ _ ☐ ☐ _ _ _ BLED ...
2
votes
1answer
137 views

Row of alternating coin

I stumbled upon a mathematical puzzle that goes like this: You have 2n coins that alternate between head and tail. For example, if n=3, then it looks like H T H T H T, where H = head and T = tail. To ...
2
votes
1answer
126 views

Some Really Confusing Math

I was talking to a co-worker this morning and he stated that he was able to make both of these statements true using only $1, 3, 5,$ or $ 7$. He then proceeded to tell me: $1 = 5$ $2 = 4 + 7$ $3 = 1$ ...
5
votes
2answers
1k views

Did Grandpa count correctly? Another Grandpa Mystery

Grandpa just returned from a long trip. He started telling me about his adventure in a wild place. " I saw animals", he said. "Three different kind" "Just for fun I counted their limbs" "...
3
votes
2answers
140 views

$109088$ as sum of $3$ palindromes

One can write the number $109088$ as the sum of two palindromic numbers as follows: $$109088 = 99199 + 9889$$ Note that the numbers on the right are both palindromes (read the same left to right as ...
7
votes
0answers
152 views

A small team doing their job

Find the unique solution to $$ 5\,ninja + retook + quarter + turn = \_\,\_\,\_\,\_ + \_\,\_\,\_\,\_\,\_\,\_\,\_\,\_\,\_\,\_ $$ where each unknown is a different _ _ _&#...
6
votes
3answers
379 views

Calculator Bomb

So, I need your help. I got home after a long day and found a calculator roughly taped to my door. However, there was something much more disturbing attached to that calculator. It was some kind of ...
7
votes
4answers
166 views

Fill in the boxes to get the right equation v2

My take on a recent puzzle. Place numbers into boxes to create a correct equation, using each number at least once: $$\Box-\Box+\Box\times\Box=\Box\:/\:\Box$$ This time the four decimal numbers are ...
1
vote
2answers
99 views

A Fairly Simple Equation #2

I got a lot of positive feedback on my last puzzle, A Fairly Simple Equation (even though it was apparently a lot easier than I thought it would be!) So, I've got another similar puzzle. General ...
3
votes
3answers
149 views

A Simple Math Puzzle

So my last math puzzle was too easy apparently, and this one might be too. Either way, the rules are the same. No rotation. No duplication. No combination. No rounding. No computers. Good luck to ...
6
votes
3answers
527 views

My First Math Riddle

Okay, so I write a lot of Riley and story riddles; however, I've noticed that I like the mathematical riddles too! I decided to write one, and I hope you all enjoy it. A few rules: No rotation. No ...
10
votes
7answers
751 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
9
votes
1answer
127 views

Products or sums

Arrange the integers between 1 to 20 on twenty of the cells of this board, precisely two on each row and each column. The sum or product of the two numbers in each row must be the number on its right, ...
3
votes
1answer
161 views

Does he like them or not? Another Grandpa Mystery

Now I know very well the weird likes and dislikes of Grandpa. Yesterday he tells me: "Son I like Queen but not the Queen I liked the King but not the King I like Monarch but not ...
19
votes
3answers
2k views

Which two houses didn't get any mail that week?

Postman delivers the mail in the small village. This village has exactly ten houses, numbered from 1 to 10. In a certain week, he did not deliver any mail at two houses in the village but at ...
0
votes
1answer
87 views

Jabberwocky Question

What's a good word to describe 'Jabberwocky,' by Lewis Carroll? As a reminder, here's the first stanza: 'Twass brillig, and the sluithy toves Did gyrre and gimble in the wabe; All mimsy werre ...
1
vote
0answers
106 views

center of the noise [closed]

In the center of the noise, the accused tries to hide. But the demons are already around, they take control.”? SOURCE
7
votes
1answer
959 views

Aiming for the 24

6 1 3 4 = ?? Using four basic math signs (+, -, *, /) and brackets, for instance: 6 * (1 + 3) - 4 = 20 6 * 1 * 3 + 4 = 22 6 + 13 + 4 = 23 (6 + 1)* 3 + 4 = 25 61 - 34 = 27 Try ...
8
votes
3answers
345 views

How can 15 become 3?

This is not a mathematical puzzle. How can 14 become 7? 10 becomes 1, but can also become 2. 13 becomes 8, and 8 becomes 10. 6 stays as 6 under this thinking. Hint 1: Since answer was found, OP ...
6
votes
8answers
1k views

A word exercise : Same consonants and five vowels [duplicate]

Can you think of 5 different 5-letter words which use the same 4 consonants and each word includes one separate vowel? You must use all 5 vowels. In all 5 words, the 4 consonants and one vowel must ...
1
vote
2answers
116 views

I like to stuff things in my gut

What am I? I like to embrace pretty much everything in life, And I am obsessed with a popular essential oil. I chew on gum pretty much all day, And don’t drink a lot of water. I ...
4
votes
1answer
154 views

A special square

Is there a four-digit square number which has at least one digit in common with every other four-digit square?
2
votes
2answers
162 views

Tiling rectangles with a Heptomino plus 2x2 square

Inspired by Polyomino T hexomino and rectangle packing into rectangle See also series Tiling rectangles with F pentomino plus rectangles and Tiling rectangles with Hexomino plus rectangle #1 ...
18
votes
4answers
1k views

A mazegic square

So you like mathematical diversions? Here's something new for you then ...
1
vote
2answers
115 views

Tiling rectangles with Heptomino plus rectangle #7

Inspired by Polyomino T hexomino and rectangle packing into rectangle See also series Tiling rectangles with F pentomino plus rectangles and Tiling rectangles with Hexomino plus rectangle #1 ...