All Questions

1
vote
2answers
57 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?
7
votes
1answer
61 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
40 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 ...
5
votes
0answers
50 views

A Potamodromous Riley

My prefix may have a pout, my infix may be a lout, my suffix is a long route, I am a wandering trout. or My prefix urged smokes over, my infix is to cover, my suffix may be Gaozu, I ...
14
votes
2answers
119 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
59 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
86 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
54 views

Some music sheet to decode

Find the word that was encoded in this music sheet: (No instrument is required)
3
votes
1answer
107 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)
13
votes
7answers
1k 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 ...
-1
votes
1answer
85 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
59 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
554 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
108 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)...
14
votes
1answer
811 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
110 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
72 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
89 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
77 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
150 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.
30
votes
3answers
3k 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
160 views

Number sequence puzzle; 2, 10, 44

Predict the next three members of the sequence below and explain what the relationship is. 2, 10, 44, 1012, 248, Hints will follow if required. This number sequence does not appear in the Online ...
11
votes
1answer
263 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
590 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
3answers
767 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
101 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
8answers
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
96 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
124 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
4answers
258 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 ...
11
votes
7answers
752 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
197 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
497 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
107 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
78 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
289 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 ...
14
votes
1answer
421 views

Statue Park: Knight's Lines

This is a Statue Park puzzle. Rules of Statue Park: Shade some cells of the grid to form the given set of pieces. Pieces may be rotated or reflected. Pieces cannot be orthogonally adjacent (though ...
5
votes
1answer
124 views

What is an Even 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 Even Word™. Use the examples ...
6
votes
1answer
320 views

The Most Powerful Number

A power-full number is defined as a number with $n$ amount of non-zero digits $D_x$. The number takes the form $D_n$&$...$&$D_2$&$D_1$. The digits in a power-full number satisfies the rule ...
-1
votes
2answers
145 views

Hexagon vs Harry Houdini…Round 1…How did Harry do? Let us Find out

$Given:$ Harry Houdini is Mental Math Magician and top Math Wizard at Hexon..one of the top cryptographic companies in the world. They have deployed Passwordless super smart secret system to ...
7
votes
2answers
518 views

A burglar's sunglasses, a lady's odyssey

This puzzle is part 17 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
2answers
82 views

Math quiz from a book [on hold]

A student took some exams. The arithmetical average of his grades is 25. He takes another exam today and he gets a 30, so the arithmetical average of his grades becomes 26. How many exams did he take, ...
2
votes
1answer
60 views

A minimal stalemate with no possible illegal moves [duplicate]

Imagine that the main goal of the game of chess were to actually capture the opponent's king, not just checkmating him. So a stalemate would (usually) no longer be a draw, but a loss for the ...
2
votes
1answer
201 views

Three numbers, three words

Given only these 3 numbers below, find the 3 words related to: An animal A car brand A drink Numbers: 456448711 875654332 7456987877 Hint:
7
votes
1answer
210 views

Two Overlapping Nonograms

Find the 5-letter word made by the overlapping nonograms.
6
votes
3answers
969 views

…And they were stumped for a long time

This puzzle is part 16 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
1answer
70 views

Lady Luck Powers Up Every Member to Sum Upto Non-Prime Number. Who am I?

$Given:$ UV, WX, UVCUVWX, are concatenated Numbers. U, V, C, W, X are distinct digits ( zero to nine ). $Relationship:$ $UVCUVWX$ = $U^7 + V^7 + C^7 + U^7 + V^7 + W^7 + X^7$ $Clues:$ 1) UV ...
12
votes
4answers
837 views

A Relaxing Riley Riddle

My prefix is a rotation. My suffix is a stiff bristle. My infix is holding a kitten. Ah, what's my name?

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