# All Questions

16,717 questions
49 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. ...
33 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?
27 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?
33 views

### Some music sheet to decode

Find the word that was encoded in this music sheet: (No instrument is required)
57 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)
182 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 ...
77 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 ...
52 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: ...
385 views

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. ...
104 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)...
790 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 ...
107 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 ...
69 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 ...
82 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, ...
75 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 ...
148 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.
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 ...
156 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 ...
258 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. ...
583 views

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. ...
759 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 ...
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 ...
96 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. ...
7k 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 (-), ...
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 ...
120 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, ...
241 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 ...
736 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
196 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 ...
493 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. ...
106 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 ...
110 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. ...
76 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 ...
283 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 ...
419 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 ...
123 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 ...
318 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 ...
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 ...
515 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. ...
80 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, ...
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 ...
198 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:
209 views

### Two Overlapping Nonograms

Find the 5-letter word made by the overlapping nonograms.
964 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. ...
69 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 ...
834 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?
175 views

### A number of representations

What number, when used to represent all numbers, can be used to represent something else? To get credit you need the number and the reason behind it. EDIT1: Given the answers so far I feel I should ...
141 views

### These Two Cubes are The Only Ones That Are All Pure Prime..name them

Given: CU and BBUE are concatenated Cubes with all prime digits B, C, U, E. Which are these two Unique Cubes?
This a series of questions that are created by myself. Since question 6 is not that difficult I will not give any hint to you guys. Enjoy the test. Here is question 6: 2,6,8,7,5,3,?  If you ...