All Questions

Filter by
Sorted by
Tagged with
3
votes
0answers
21 views

You Do the Gallbladder, I'll Take the Appendix

Enclosure enclosing some music that’s acted. Another with snitch fore and aft is a note. A bird sound for every dinner extracted. Collaborate. Solve it. You’re done? Now upvote! The answer is a ...
8
votes
2answers
127 views

Slitherlink - A0, B1, C2, D3

The standard Slitherlink rules apply. However, first replace $A_1$, $A_2$, $B_1$, $B_2$, $C_1$, $C_2$, $D_1$, and $D_2$; such that the Slitherlink is uniquely solvable. Moreover, these equations must ...
1
vote
0answers
76 views

The New York Time's “Letter Boxed” Puzzle (spoiler)

WARNING: I solved this puzzle and posted a solution below. I'm posting this more for muse. Hello! I don't know if anyone's enjoyed this puzzle on The New York Times website, but I find it rather fun. ...
2
votes
2answers
223 views

Match the animals, three by three

Match the animals, three by three Beagle Dalmatian Dog Pug Puppy Retriever Accipitridae Anura Arthropod Castor Gastropoda Poecilia Instructions There are two lists, each containing six items. The ...
15
votes
1answer
570 views

Another Riley's Imposter!

I could not contain my enthusiasm for this new style of puzzle! Let's see if I've got what it takes. Here is a seven-letter word: ...
14
votes
2answers
841 views

Don't steal from the Riley community

Steal my prefix and I'll belong. Steal my infix and I'll be heavy. Steal my suffix and I'll be strong. Steal my whole and I'll be gone. Leave me be, for I am a community.
0
votes
0answers
95 views

Propositional Logic Puzzle [closed]

There is an island with two mythical creatures, the Komos and the Dragos. Komos loves eating visitors to the island while Dragos hates to eat visitors. One fine day, you mysteriously end up on the ...
13
votes
1answer
192 views

Six Directions of Cryptic Cluebulence

An entry in Fortnightly Topic Challenge #43: Variety Crossword Grids This crossword is a tribute to the 2002 album Six Degrees of Inner Turbulence by Dream Theater. No knowledge of the music itself ...
14
votes
2answers
828 views

A slitherlink with only 3's

As we know, 3's seems to be very rare in slitherlinks. This is the slitherlink with only 3's.
-6
votes
1answer
144 views

Elections in the United States of Alfagonia

Elections were held in the 45 electoral districts of the United States of Alfagonia. The Green Party won the election in 23 of the 45 districts. Alfagonia is made up of nine states of five districts, ...
-14
votes
1answer
170 views

Equation $X^4-DY^4=Z^4$ (Part 1) [closed]

Let's have the positive integers X,Y,Z. The number D is a terminating decimal always. The numbers X,Y,Z do not have a common factor. Based on the above information, can you solve the following ...
-5
votes
0answers
61 views

Date Validator Help Me plz [closed]

Mr. Bhola is not aware of Gregorian calendar dates. However, he knows that date is in the format ddmmyyyy. You need to draw a flowchart for Mr. Bhola which he can follow and determine whether a ...
31
votes
3answers
1k views

Animal Cross(word)ing

An entry in Fortnightly Topic Challenge #43: Variety Crossword Grids Each of the 40 clues listed below (a mix of pop culture and science/nature) yields the name of an animal. Your task is to solve ...
22
votes
2answers
1k views

Riley's Imposter!

Here is a six-letter word: ###### si####: I am the result of heat. ##dd##: I am the result ...
-3
votes
3answers
205 views

10 Rats and 10 bottles, find one non poisonous bottle with least rats killed [closed]

There are 10 bottles of liquid, out of which 9 bottles are poisonous and one bottle of liquid is non-poisonous. The rats are to be fed this liquid one bottle at a time and rats die instantaneously. ...
11
votes
1answer
253 views

Double twisted connect wall

This puzzle continues on the trend of connect-walls (a bit late for the Topic Challenge #42, I'm afraid), but with some twists. First, it's a double connect-wall! The following image can be separated ...
4
votes
1answer
154 views

Emoji anime pop-quiz

Found a quiz in an old dialogue of mine. First to guess all five gets the tick.
16
votes
1answer
374 views

Chain Puzzle: Tabletop Games #09 - “The” Cryptic Movies

This is the ninth Chain Puzzle in the Tabletop Games series, in which all puzzles are themed around board games, card games, tile games, and the like. The answer to this puzzle is a thematic word or ...
7
votes
3answers
1k views

Could a non-native English speaker work out cryptic crossword puzzles?

I am fond of puzzles related to mathematics, and I am very keen to solve cryptic crosswords. However, the main obstacle is that they seem to require superb linguistics background knowledge/skills. As ...
8
votes
1answer
446 views

It is good, it is bad, it is powerful

1. Take 0 out then you are really in it 2. Take 1 out then it is unreal 3. Take 2 out, then you are back to 1 4. Take 3 out, then you are back to 1 5. Take 4 out, then you are back to 0 What ...
1
vote
2answers
220 views

Guess these Anime Movies

Are you fan of anime? If yes this puzzle is for you. Let's see how much you know about anime movies. The below image has five pictures. Each picture represents an anime movie. Look at of the pictures' ...
2
votes
1answer
140 views

Lost in this Loopy puzzle

I got this Loopy (Cairo) puzzle, but got stuck here: I have no idea how to proceed without guessing with backtracking. Are there any local deductions possible here?
0
votes
4answers
204 views

Addition table with hidden digits

Similar to the previous puzzle, find the values behind the letters. ...
12
votes
2answers
314 views

A fraction puzzle

This is a puzzle with both the computer-puzzle tag and the no-computers tag. We have the following list of five fractions: $$11/5, 30/77, 1/11, 21/2, 5/7.$$ Starting with an integer x, we perform the ...
4
votes
2answers
153 views

Ever notice those dangerous hollow eyes staring at you?

I have two eyes and one mouth, both my eyes are hallowed out. My mouth won't let me talk, yet my eyes will have you shocked. For though air is what's inside, I'm one reason why many died. What am I, ...
12
votes
1answer
313 views

A Tribute to Psych

An entry in Fortnightly Topic Challenge #43: Variety Crossword Grids The following is a 4x5 grid: Within the grid, there are 13 words laid out in the following way: The words may go forwards or ...
5
votes
1answer
255 views

Starred, as to the crew's aid

The flavour text (except for the puzzle's name) is not a hint, but a true story I didn't really have any ideas for a puzzle, but my everyday life gave me one. I think, the puzzle could be better if I ...
4
votes
2answers
195 views

Snakes, snakes, snakes!

I am a long snake, terrible to everyone, I unite everything that has fallen apart. I am hard to conquer for human, even the smartest ones, I may help you to find your size.
12
votes
1answer
253 views

A Cryptic Hourglass

An entry in Fortnightly Topic Challenge #43: Variety Crossword Grids The answers to ten cryptic clues need to be entered in the grid below. Words start in their numbered rectangles, and proceed down ...
2
votes
0answers
77 views

Relations between numbers

Through some special formulas and relations I have come up with the following numbers 770, 84, 220, 6050, 1695, 29, 322, 45, 6095, 1666. How are these numbers related? Secondly, how were they ...
0
votes
1answer
112 views

I am as fast as lightning

I am as fast as lightning and my pose is recognized around the World. Who am I?
17
votes
1answer
349 views

3D cryptic brain melter

An entry in Fortnightly Topic Challenge #43: Variety Crossword Grids This is a three-dimensional cryptic crossword. The seven squares in the picture depict the layers of a 7x7x7 cube. The "away&...
10
votes
3answers
2k views
+50

Who is the king of social media?

My prefix is the sound of shots. My infix is when one gets shot My suffix is a round thing. My whole is a media king.
-3
votes
4answers
304 views

A Routine Doctor's visit [closed]

An unprepared student asked his doctor for help getting out of taking an exam. What suggestion did the doctor make? Doctor: How are you doing? Patient: Not so great. I have a test in a couple days ...
1
vote
6answers
266 views

Move 3 matches to maximize triangles

The problem is as follows: The figure from below shows 9 matches. If only 3 of them are changed from their positions, then what is the most number of triangles that can be made? The alternatives ...
-14
votes
1answer
200 views

Solving the equation X^4 - DY^4 = Z^4 [closed]

Let's have the equations $12^4 - DY^4 = 7^4$ and $24^4 - DY^4 = 19^4$. For what values of D and Y do these equations have a solution? Secondly, what little trick is required to obtain solutions of the ...
-5
votes
2answers
72 views

A perfect split of rope [closed]

What is the correct way to split a rope into two parts? A) Cut it using a blade or any sharp object. B) Pull on end of the rope until it breaks. *Note, only one of the ways mentioned above 'can' break ...
9
votes
2answers
386 views

What is the minimum number of problems in the pool?

Using a pool of problems, 16 tests will be formed, following certain conditions: Every test should have the same number of problems. Any problem should be included in at most 8 tests. Every group of ...
-4
votes
0answers
141 views

My Facebook friends' birthdays [closed]

I have 1200 friends in Facebook. What is the largest number of them I can (probabilistically) expect to have their birthday on the same day? In general, what would it be if I had N friends?
0
votes
0answers
94 views

Why is this answer wrong? [closed]

Sample data: Males: 4 walk to work, 5 use public transport, 2 drive to work (total 11) Females: 3 walk to work, 9 use public transport, 4 drive to work (total 16) The question is "if someone is ...
11
votes
2answers
810 views

Save the person in 14 moves on a cross

A person was trapped in a building, and you have to save him. You are a police officer and you will arrive at the building at 7 o'clock in the morning. The building looks like this: Every 2 minutes, ...
0
votes
2answers
375 views

Another Yin-Yang puzzle

I saw someone post a ying-yang puzzle on here recently and I thought I might challenge people here with another one! Rules of Yin-Yang: Fill each empty cell with either a black circle or a white ...
-1
votes
2answers
201 views

The blind one who sees all

A blind prisoner is offered a deal by a king. 3 monks will be sent to his cell over a period of three days,only one monk will be sent to the prisoner's cell on any day. The king may decide to send one ...
-1
votes
2answers
103 views

Mensa Sample IQ test question - squares, rectangles and triangles in big squares

I took a sample Mensa IQ test at the Mensa France Website and encountered a question which I wasn't able to solve: The instructions were written in French: Parmi les 5 figures proposées, quelles ...
2
votes
1answer
135 views

It's been a while hasn't it?

Why can't I say hello? Anyways, it's Emma! I know it's been a while, but I've been busy with work, and life, and I haven't had much free time lately. With that in mind though, I've got a new puzzle! ...
1
vote
1answer
100 views

Knight can't answer about joker

If you ask a knight (True) about a Joker's answer (random), then she can't answer because she doesn't know? Does this give a NaN response or is it not allowed? I looked at similar questions and couldn'...
7
votes
1answer
364 views

How do I solve this Tablet code?

I have the following puzzle I am trying to solve from the online idle game structure idle. Previously, I had different types of puzzles in which I had lists of letter pairs to arrange, for example : ...
4
votes
2answers
346 views

Where does my friend live? 9

Other questions in this series can be found here. My European friend, Johannes, now living in another country. He left a code like this: OBA, OTI, SAC, ATR, NAR, DAD, IBA, AHO, TIA, HDA 5CA7CO ...
4
votes
2answers
185 views

Simple math riddle with harvest workers

Some workers were assigned to harvest two fields, one of which was twice as large as the other. For half a day, the crew worked in the largest field. They were then divided into two equal groups. The ...
19
votes
1answer
982 views

A family of seven!

So in this puzzle the goal is to come up with an answer that consist of 9 letters. Without giving away anymore info (atleast for now) on how to approach this puzzle I'll let you try make sense of it ...

15 30 50 per page
1
2 3 4 5
437