All Questions

2
votes
1answer
77 views

Four-in-a-line Puzzle

Disclaimer: This is an open-problem, I don't have a complete solution for this puzzle yet. We are playing a $2$-player game: you as a challenger and me as a judge. Initially, there is an empty ...
8
votes
1answer
60 views

Riley Rebuses that Share a Common Theme

Riley Rebus, started by Kevin L, is like a Riley Riddle but with images instead. Here are 5 Riley Riddles that share a common theme. Can you find out the words and the common theme?
8
votes
1answer
91 views

Infinite Sequence based on Simple Rule

Using one simple rule, an Infinite Sequence has been developed. First 30 terms are given. Can you continue the sequence for at least next Ten Terms? Series continues from top left to bottom right. $...
6
votes
0answers
101 views

A sheet of graph paper and a code

IMPORTANT EDIT: If you looked at this before 00:30 UTC 26 May 2019, please reread - the puzzle has been changed Samantha sat down at the fifth computer in her university's computer lab, hoping to ...
9
votes
1answer
322 views

What is memelemum?

Here's a ... text? poem? dictionary? list? Something... e m me mum mele mem mume mumm melee melem meme memum mumele Oh! Errors. Fixed: e m me mum mele mem mume mumum melele melem meme memum ...
11
votes
1answer
163 views

Statue View: 2, 3, 5, 7

This is another Statue View puzzle. It's easily the hardest of the three I've made, so I recommend trying the other two as practice first. Rules of Statue View: Shade some cells of the grid to form ...
3
votes
2answers
76 views

Pattern analogy (2x4 binary)

Really struggling with this one, hope you guys can crack it. ...
0
votes
2answers
77 views

Do you know what's next?

'Predict' the next few (5 or 6) terms of this series. 1, 1, 1, 2, 3, 6, 7, 10, 11, 12, 17, ...? Hint: Who is the 'prime' suspect in this mystery sequence?
5
votes
1answer
92 views

Choice of Music (Wordplay)

A boy tries to talk to his ex after class at school. However, she just puts on some music and shuns him instead, leaving him to wonder why. What type of music is she listening to, and why? HINT 1 ...
1
vote
1answer
74 views

A crossword puzzle

Here's a crossword puzzle. Can you solve it? CLUES ACROSS 2) Wolfram 5) Between stars 8) 333 - Cricket 10) Play and eat 11) 400 not out DOWN 1) The boy who got a watch from a comet 3) ...
2
votes
1answer
37 views

A Simple Seasonal Riddle

The first line of this riddle has been stuck in my head for some time, so I figured I'd write it down. The rest I came up with recently. Sleeping soldiers symbolize my start, while worker's ...
0
votes
1answer
49 views

We are Unique Friends. Our Special Squares Share a Common Bond…Figure us out

Use logical deduction only and document your steps in detail. $Given$: A, B, C, D, E, F, M , T are distinct digits(0 to 9). ABC, EBF, DDABC, MCMABC, TBBB are all concatenated Numbers. $...
2
votes
3answers
155 views

Two Identical Pistols Shot Simultaneously

Two identical pistols are shot at the same moment, one in Death Valley and the other the Schwarzwald Germany. Both of them are at targets 40 meters away. Which one hits its target earlier?
11
votes
1answer
161 views

Statue View: Raindrops

This is a Statue View puzzle, an original invention combining two logic puzzle genres: Statue Park and Canal View. It is harder than my previous Statue View, so you may want to start there. Rules of ...
5
votes
1answer
60 views

What is an Outside Word™?

In the spirit of the What is a Word™/Phrase™ series started by JLee, a special brand of Phrase™ and Word™ puzzles. If a word conforms to a special rule, I call it an Outside Word™. Use the examples ...
6
votes
0answers
89 views

A Potamodromous Riley

My prefix may have a pout, my infix, an inside lout, my Suffix is a long route, I am a wandering trout. or My Prefix proved smokes danger, my infix is to cover, my Suffix founded Gaozu, ...
15
votes
2answers
195 views

Statue View: Tetrominoes

This is a Statue View puzzle, an original invention combining two logic puzzle genres: Statue Park and Canal View. Rules of Statue View: Shade some cells of the grid to form the given set of pieces. ...
6
votes
1answer
71 views

A Riley Riddle that Moves Away

My prefix is when you jump into a lake My infix is when you reach the edge of it My suffix is if you are a nice chap My whole is always varying What am I?
7
votes
1answer
94 views

A Riley Respite

My prefix gets the guns. My infix makes things dull. My suffix appears at zero. My whole indicates a lull. What am I?
1
vote
1answer
67 views

Some music sheet to decode

Find the word that was encoded in this music sheet: (No instrument is required)
3
votes
1answer
117 views

Find the names of these countries

From the pictures below, can you find the names of the corresponding countries? 1) 2) 3) 4) 5)
19
votes
7answers
2k views

Why is this Simple Puzzle impossible to solve?

Connect each red circle with each black circle by drawing a line and the lines should not touch. From each red circle, 3 lines must be drawn which connect red circles with black circles, but the lines ...
0
votes
1answer
91 views

UVC wants to give you a Helping Hand in Solving these Unique Set of Pan digital Fractional-Decimal Relations

Use pure logic and deductive reasoning only. Document detailed steps in arriving at final solution. You can use calculator minimally. $ Given$: Utilizing These two unique set of Pan digital ...
1
vote
2answers
66 views

Make N N N equal to 6 where N is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 [duplicate]

Using standard mathematical symbols, (i.e. no other letters or numbers), make the following true: ...
12
votes
4answers
666 views

Gladys goes shopping

This puzzle is part 22 of Gladys' journey across the globe. Each part can be solved independently. Nevertheless, if you are new to the series, feel free to start at the beginning: Introducing Gladys. ...
2
votes
2answers
113 views

Devil in Different Disguises but in Prime Shape…Can you Figure out his Diverse Expressions?

$Given$ $Devil$ goes by $666$ Express him as 1). Sum of all Primes in 3 Different ways using all the digits 0 to 9. Use only + sign. 2). Sum of all Squares of Primes. Use only + and ^ signs. 3)...
15
votes
1answer
834 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 ...
1
vote
0answers
118 views

Sequence of close numbers

I just came up with the following sequence of numbers. 25 26 27 28 30 30 ... They all seem to be very close to one another... but what is the next number in the sequence? And what is the principle ...
0
votes
1answer
74 views

what 3D shape can be used to make any 3D shape when combined With itself? [on hold]

Looking to create a puzzle / representation of any 3D shape using smaller 3D shape. Is there some sort of shape / ultimate 3D shape that can make any other 3D shape. Like a pyramid or sphere or cube ...
5
votes
1answer
103 views

A very basic number sequence puzzle

Predict the next members of the sequence below and explain what the relationship is. 2, 10, 101, 1211, 14321, ...
4
votes
1answer
81 views

Word Transformations

I am a gap Rearranged, an accelerator Take one and rearrange, an animal Rearrange that, a skin condition. I am a gap Take one and rearrange, a garden tool Take one ...
2
votes
0answers
151 views

One word: find it from these three lines [on hold]

I went to paint in the nature. Alas, I got a nasty infection. I did recover by medication.
34
votes
3answers
4k views

Pirate democracy at its finest

With our pirate crew becoming too big, the captain grew very concerned about splitting all the treasure - we continued to split it equally, but, of course, each crew member got less and less with the ...
5
votes
0answers
190 views

Number sequence puzzle; 2, 10, 44 (+1 hint)

Predict the next three members of the sequence below and explain what the relationship is. 2, 10, 44, 1012, 248, This number sequence does not appear in the Online Encyclopedia of Integer ...
11
votes
1answer
273 views

A fortified nonogram

This puzzle is part 21 of Gladys' journey across the globe. Each part can be solved independently. Nevertheless, if you are new to the series, feel free to start at the beginning: Introducing Gladys. ...
5
votes
3answers
598 views

Lady G's amazing mazings

This puzzle is part 20 of Gladys' journey across the globe. Each part can be solved independently. Nevertheless, if you are new to the series, feel free to start at the beginning: Introducing Gladys. ...
11
votes
4answers
801 views

Find the three digit Prime number P from the given unusual relationships

$Given:$ P is a 3 digit prime number Q,R,S,T are distinct digits( 0 to 9 ) QRS is a concatenated number $Relationships:$ $P$ = $QRS + T$ = Reverse of $( QRS * T)$ Find P using just ...
10
votes
1answer
2k views

A married couple

Disclaimer: This puzzle is from a university in Israel, computer science. Its in a real document written in Hebrew so no point in posting it. There is no link to it on the internet. There is a couple ...
1
vote
1answer
104 views

Mensa 3rd Grade Recess Game [on hold]

Mensa 3rd Graders At Recess There are dozens of variations of this puzzle type, but I put my own spin and characteristics to it. It is lunch time for the little ones at Mensa Mini's Private School. ...
12
votes
7answers
8k views

Make 24 using exactly three 3s

Make 24 using exactly three 3s Each number formed with a 3 and the 24 in the equation are all base 10. You cannot introduce any additional digits or constants. Plus(+), negation/subtraction (-), ...
7
votes
1answer
100 views

9x9 Map Path: In and out next to each other?

This isn't something I read in a book or anything, it's more of a puzzle I thought up for myself. However, I am unable to find a solution. Here's my problem: If I create a 9x9 checkerboard, and ...
4
votes
2answers
127 views

Liars, truth-tellers and jokers

In a strange village there are three kinds of persons: knights (always telling the truth), knaves (always lying) and jokers (who may either tell the truth or lie). A, B, C and D live in this village, ...
0
votes
3answers
285 views

WAS IT A CAT I SAW? Do Some Detective Work & Catch The Imposters

Carolina County Community Cat Conference is going on at a resort exclusively reserved for Prime Members. Some look-alike impostors, aka cats, have sneaked in. They all wear fancy name tags that ...
10
votes
8answers
791 views

Find this cartoon

From the pictures below, can you find the cartoon character? EDIT: Edited the 3rd picture for clarity HINT 1 HINT 2 HINT 3
4
votes
3answers
199 views

A Multitude Of Mates In 5-An Original Chess Puzzle

Here’s a toughie for you-and no computers allowed! I have created this unique chess puzzle which white mates black in many different ways, all in 5 moves, no matter what black does. Options do exist ...
9
votes
3answers
502 views

Drums and punctuation

This puzzle is part 19 of Gladys' journey across the globe. Each part can be solved independently. Nevertheless, if you are new to the series, feel free to start at the beginning: Introducing Gladys. ...
0
votes
2answers
109 views

Famous Number Displays Dual Cubic Relationships..Figure it out

$Given$: A, B, C, D are all distinct digits. ABCD is a concatenated number $ABCD$ = $A^3$ + $(A+C+D)^3 $ = $D^3+ (A + D)^3$ Figure out this Number and why is it Famous? Also provide ...
2
votes
1answer
113 views

On a puzzling spree

This puzzle is part 18 of Gladys' journey across the globe. Each part can be solved independently. Nevertheless, if you are new to the series, feel free to start at the beginning: Introducing Gladys. ...
1
vote
1answer
79 views

Hiker's Cabin Mystery | Pt. VIII

Part VII is still up for grabs! At last! You've solved the mystery of the cards! Now that you've gotten into the hiker's computer in the hotel room, it's time to explore! Good news! There is only ...
5
votes
5answers
294 views

How to Modernize Student Council

You are the math teacher at a high school and you are in charge of organizing Student Council for the whole school next year. Your boss, the Principal, read a research paper on Student Councils and ...

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