# All Questions

15,217 questions
20 views

### Riddle Number Three

Time for a challenge! Here, the riddle is encoded using a specific cipher. You must decode the numbers and answer the riddle correctly to solve it. Good luck! 83191143|2367|02|41026731|434771|02|...
28 views

### Drawing loops on a sheet of paper

Two people are playing a game, in which each player takes turns drawing closed loops on a sheet of paper. Each new loop must intersect each of the other loops exactly twice. When one player has no ...
33 views

### I don't know what this translates too, I've been searching for hours

31 34 31 20 31 31 30 20 31 32 32 20 30 36 30 20 31 34 33 20 31 31 30 20 31 31 35 20 30 36 36 20 31 31 34 20 31 37 31 20 30 37 31 20 31 35 33 20 31 34 31 20 31 33 30 20 31 31 36 20 31 35 32 20 31 34 32 ...
53 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. ...
187 views

### Replace ? by number

This chain of numbers is making confused.Help to find the answer with explanation.
113 views

### Relationship between figures

During preparation of a test I am facing problem in solving this non-verbal question. What may the possible solution figure from A,B,C,D?
47 views

### Number puzzle - Next number in the sequence

I did a puzzle that made me calculate the last number, and I couldn't figure it out so I looked at the answer, but still don't understand how I get to that answer. Number sequence is ...
160 views

### Three Triangles by moving two match sticks

Trying two make three triangles by moving only two sticks.
63 views

### Out of six numbers in some order, we know third and fourth ranked numbers in every five out of the six numbers. Find the first

Out of six numbers 1,2,3,4,5 and 6 in some order, we know third and fourth ranked numbers in every five out of the six numbers. Find the first ranked in the order given. for example, if the ranks ...
68 views

### Finding both fake coins in a set of $5$

There are $5$ rupees on Arnav's table. He knows that exactly $2$ of the rupees are counterfeit. One of these $2$ coins is lighter than a normal (non-counterfeit) rupee, and one of these $2$ coins is ...
41 views

### Connect Wall 001 by KrOmega (new try)

this is my first try on connect walls, please tell me what I can improve on. Thanks! Inspired by I Hope You Like Connect Walls! #2 INSTRUCTIONS: Step 1: Find the hidden word in each word Step 2: ...
86 views

### Infinitely many stacks of infinitely many cards on infinitely many tables

You are trapped in a room. In front of you, there is a table on which there is an infinite number of stacks of cards each containing an infinite number of black or white cards. Two stacks are ...
261 views

### Cut me and weep? Who am I?

I am confused. Someone asked me to tell the name, but I find it difficult. He told that it is used in our daily life. Hint
98 views

### Riddle Number Two

This next riddle will be a bit more challenging. I am two halves of a whole, For now only some remain. What am I?
44 views

### Find an infinite set of formula, take any $2$ they are SAT, take any $3$ they are UNSAT [on hold]

Find an infinite set of (propositional logic) formula, $S$, which satisfies: If you take any $2$ elements from $S$, they are satisfiable. If you take any $3$ elements from $S$, they are unsatisfiable....
267 views

### Cutting a Slice of Cake Into Two

Driven out of a serious question, when sharing a slice of cake in a coffee shop how can my two friends split it without going down the middle (the cake is likely to crumble if you do this!) Given a ...
219 views

### A puzzle in 280 characters

In the past, you found I felt Twitter's character limit was too small when each tweet only fit 140 characters, but what's my opinion now that it fits twice that? I'll be here to confirm any ...
111 views

### Applied logic challenge problem

You must determine what can be concluded from the 60 true statements below. The numbers in each statement represent binary values (true / ...
71 views

### Shortest path for delivering packages [duplicate]

A version of the Travelling Salesman Problem, but with certain points. We are talking about a town where 8 canals run from the middle boathouse into the city. You can only travel one way on the green ...
59 views

### What is the area of the shaded region? (Overlapping areas) [on hold]

What is the area of the region poly1 formed by the arcs 'cdke'. The square is of sides 10 units long. The region poly1 is formed by four overlapping quadrants.
167 views

### A simple murder mystery puzzle that I came up with

A woman was found dead in her apartment. She was hanging from the ceiling but the detectives deduced that it was not suicide because of the bruises on her body (indicating a struggle) and the mess in ...
46 views

### Important steps and strategies for solving puzzles [on hold]

What are the necessary steps for solving any puzzle?
140 views

### I Hope You Like Connect Walls! #2

Like last time, find the links then connect it to a puzzling.se tag. ...
398 views

### Balancing Balls

I have a disk with 6 equally spaced dents around the edge. The disk balances on the center point. I want to place marbles around the edge so that it stays balanced. There are four ways that this can ...
116 views

### Riddle Number One

I created this riddle in hopes that you all can deduce the answer. I lack all meaning, yet my meaning is the same. The cold depths of space shall contain my name. What am I?
97 views

### Riley 010 by KrOmega

Hi I'm finally back with a new Riley! Riddle me this: The prefix is we minus me plus he, The infix is, in particular, an enjoyment of heat. The suffix is by which from place to place you travel, ...
125 views

### Monty's Labyrinth

(A fun combination of two classic puzzles, hope seasoned puzzlers enjoy.) Having escaped through almost all of a labyrinth, you are met by three magical doors. Two of them lead to certain and ...
415 views

### Three Visual Puzzles

I'm designing a puzzle game, and am trying to play-test some concepts. Can you solve these? 108153767833 = A + B + C. What are the components and why? Note for C: As a hint to correct an oversight, ...
314 views

### riddle with keys

Part 1 I have keys, but I don’t open any locks. I have a ribbon, but I didn’t win, place or show. I need some help from nature to be useful. Part 2 Now what is special about this word? Hint:
148 views

### The bottle(s) of pills of a different weight

I am a laboratory man dealing with random medicine. Day 1 I have 10 bottles of pills. 9 of them contain good pills that weigh 1.000g each, and the other one contains bad pills that weigh 0.999g each....
103 views

### Sequence of numbers 6

Fill in the correct number in this sequence: 3 4 2^2 5 10 60 ? Source: a publicly available practice test in a book for an IQ-test I got via a friend in ...
131 views

### Which logo does this word represent?

Puzzle 1 Which logo does the word dsPlinS represent? 1. 2. 3. 4. 5. I haven't posted in a while, but I'm back on track, baby! And to celebrate my coming back, whoever solves this would earn a \$...
94 views

### Longest word conundrum

The longest word in the English language is the name of a Welsh town. Can you spell it?
909 views

### Something that sticks out

Back with a Riley riddle My prefix is someone that is good at My infix is something that a liquid goes through My suffix is to shout My whole is something that sticks out
135 views

### Sukarno's Holocene Extinction Discovery

You are a renowned paleobiologist who travels the world and evaluates recent discoveries. You recently were contracted to fly to Jakarta University and check in with one of their researchers. You ...
134 views

### 2 3x3 Logic Puzzles

Two logic puzzles. Which option logically fits the question mark, and why? These puzzles are from a test on 123test.com. 1. 2.
136 views

### I am struggling with a complex version of the “lights out” puzzle

Hello my fellow puzzlers. I am new to this holy land so if my question is not the kind you people like to solve, I apologize. As some of you may know, there is a puzzle named: "lights out" based on a ...
120 views

### 3 IQ Test patterns

I'm stuck at these questions and i dont really know why. The more i look at them, the more i get confused. Can't seem to get the pattern here. What pattern do you see and what do you believe to be the ...
69 views

Ciphertext: ...
69 views

Ciphertext: ...
168 views

### Minimal tests for six ethernet lines

I have been wiring my house with ethernet cables, and was testing the connections with a simple ethernet tester: you plug two cable ends into the tester, and it tells you if the cable ends are ...
3k 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 ...
103 views

### Who am I? A puzzle in parts

I am one of four brothers, we make a foundation in some way we are native to every nation if one is kind, the other is not if one is a little the other is a lot from what you give i will take only 1 ...
166 views

### This poem is complete, except the solution to it

First, hide the text, come on, no spoilers here; Second, bash at it, you have nothing to fear; Third, pair up and basic pigpen, flagging every time; Fourth, use the force, wait, no, ...
735 views

### Gaby and Jack's Number Guessing Game

Gaby, a good mathematician, thinks of a whole number between 1 and 100 inclusive. What is the least number of questions Jack needs to ask her, and what questions should those be, if he is to work out ...
7k views

### Four boys are playing football and one of them breaks a window

Four boys at school are playing football and one breaks a window. No one owns up to doing it but someone gives the teacher an anonymous note saying: hE iS thE CuLpriT? The four boys were: ...
220 views

### What is the next number in the given series?

I know that next number questions are not popular here, but this one is tough and I couldn't figure out the pattern. To give an idea one of the questions had a pattern of Prime(Fib(n)). So this is ...
196 views

### A chess game with odd moves?

A friend and I like to play chess regularly. Like me, he is a lover of a good puzzle, which is what drew us to the game. The thrill of finding a checkmate in a board riddled with pieces cannot be ...