All Questions

Filter by
Sorted by
Tagged with
8
votes
1answer
536 views

Lost In Boston: How do I Get Home?

I'm posting this from my phone again because I've gotten hopelessly lost in Boston, really want to go home, and desperately need the help of some clever people on the internet. Please help me - I'm ...
5
votes
4answers
403 views

Magic: the Gathering - Challenge #6: Going Mental

Previous Challenge Background Today's puzzle is going to involve Mental Magic, a fun, memory-testing variant of magic. All of magic's usual rules apply, but with the following variations Any card ...
14
votes
1answer
1k views

A chic party puzzler

(Based on this puzzle by Gamow. The answer there might give you a hint (so don't look yet!)) At a fancy party in Café la Tour, everybody is friends with exactly 14 of the other people present. ...
6
votes
3answers
1k views

A party puzzler

At a party, everybody is friend with exactly $22$ of the other persons present. Whenever two persons are friends, they do not have any friends in common. Whenever two persons are not friends, they ...
4
votes
2answers
1k views

Who/What am I? A Riddle to my dear

Dear, You like me, and I'm just like you We can't touch, but we can talk to We can't hear, but we can see through I'm always there and you come more than once 'Cause once is not enough for ...
1
vote
1answer
171 views

Find the numbers in sequence (Created by PC App) [closed]

Hi all. This image is a series of number in sequence created by computer app. You can see there are five numbers in above row and five numbers in row below. 1) Pls find what will be the numbers ...
4
votes
6answers
2k views

Name me, Who am I?

I am who I am, Returned to the world, To Save or to Damn, My banner's unfurled. So many names I have, But one always true. No golden Calve, But worship you do. My people, they came. Their weapon ...
3
votes
3answers
857 views

You dare to eat me?

Who am I? I lived a long successful life I did Starting out was rough as a kid I seemed to catch break at age thirty eight Working under the governor sure was great In '64 I ...
16
votes
3answers
1k views

Disemvowelled Books

I recently put together a list of books by some well-known authors, but something went horribly wrong when I tried to print it out. The first entry in the list was completely unreadable, but the rest ...
2
votes
4answers
632 views

Fifteen white rhinoceroses

Fifteen white rhinoceroses are standing in a line. Each of them weighs an integer number of pounds. For each rhinoceros (except the leftmost one), its weight plus twice the weight of its left neighbor ...
8
votes
2answers
362 views

A cipher and a book…?

Long time no see! Hello Stonehenge!(I mean PSE) A man named Kasiski gives you a letter that reads this: Yssy uztzt t hzbvhqfhew wphivzwim mt tbdnhp wnvjchimzos agi qirmmpfmhwp ho uwtbg mt youzme ...
12
votes
2answers
964 views

Emojiture Challenge - Next Generation

After looking through the list of books my friend sent me the last time I asked him to send me some recommendations for more recent books. Here is what I got: I hope you can help me again. Hints:
8
votes
4answers
531 views

Blackboard problem with polynomial

The blackboard contains the two numbers 0 and 120. Each minute you are allowed to write an additional number $ x $ on the blackboard if $ x$ has not been written before on the blackboard and if $ x $ ...
15
votes
1answer
970 views

State the rule!

State the rule behind the following partition of letters, and fill in the questionmarks. (The puzzle has a clear and justifiable trivia-type solution.) ...
10
votes
4answers
1k views

Magic: the Gathering - Barren Glory

Your goal. Win the game with Barren Glory using a Modern legal deck on turn 2's upkeep using the least number of cards possible. (I don't think turn 1 is possibble but please prove me wrong). Assume ...
29
votes
3answers
4k views

A lonely pawn on the chessboard

Alice and Bob and the referee Conny play the following game with a pawn on a standard $8\times8$ chessboard: In the beginning, Conny places the pawn into the center of a randomly chosen square. All $...
7
votes
5answers
522 views

Ahmad, Ali, Amir and Nima in a tournament

Four players with first names Ahmad, Ali, Amir and Nima participated in a tournament. The highest ranked player defeated the other three, the second ranked player defeated the players in rank three ...
30
votes
2answers
1k views

Emojiture Challenge

This is the first question for the new Fortnightly Topic Challenge #5: Literature. My inspiration source was a TV show. I wanted to read some books during holidays, so a friend sent me a list of some ...
12
votes
6answers
2k views

Car hotter in winter

Every day I park my car in the same spot, which has not had any alterations done in years, nor has the surrounding area changed. No new trees, building, etc. I park my car in the same fashion each ...
2
votes
2answers
217 views

Magic Numerical Equations [closed]

What number is ? in follow? 2 = 46 4 = 812 8 = 1624 16 = ?
5
votes
1answer
689 views

Mathematical alphabetical equation

Assume that the following three equations hold true: $C \circ I \circ D \circ A = B$ $O \circ K \circ M \circ G = C$ $Y \circ A \circ B \circ C = D$ Find the right hand side of the following ...
3
votes
0answers
316 views

How is it possible to make 8 (…) 8 (…) 8 = 6? [duplicate]

$$8\text{ }8\text{ }8 = 6$$ Add in any required number of mathematical symbols to make the above equation work. How is this possible? Can somebody explain?
6
votes
1answer
239 views

Another closed path on the Rubik's cube

Is it possible to draw a closed path on the surface of a standard $3\times3\times3$ Rubik's cube such that the path traverses exactly one diagonal of each of the $54$ little squares, and such that ...
10
votes
2answers
2k views

A classic symbol sequence

I saw a similar puzzle in a book long time ago. What will be the next symbol?
1
vote
1answer
146 views

Some crazy equations [duplicate]

8 = 2 68 = 3 91 = 1 32 = 0 883 = 4 761 = ? What number should be instead of ? in this: ...
18
votes
1answer
1k views

What is a Rotten Word™?

This is in the spirit of the What is a Word/Phrase™ series started by JLee with a special brand of Phrase™ and Word™ puzzles. If a word conforms to a special rule, I call it a Rotten Word™. Use the ...
6
votes
1answer
177 views

Left and right turns on the surface of a cube

Inspired by A closed path on the Rubik's cube. Let $N$ be a positive integer. Consider an $N\times N\times N$ cube, with each face tiled by $N^2$ squares measuring $1\times 1$. A closed path is drawn ...
8
votes
2answers
246 views

Bridge words 2 - word pairs linked by their front and back

I made a puzzle earlier (Bridge words), and thought I'd make another (encouraged by a request from @VictorHenry). Find a pair of "bridge words" to fill in the gaps of the sentences below. Bridge ...
7
votes
1answer
608 views

Queens on a Board with Two Players

Alice and Bob decide to play a game. Alice goes first. They will take turns placing queens on a chessboard such that the queen is not threatened by any other queen on the board. Both players play ...
7
votes
1answer
745 views

The Lie within The Truth

And, lo! did the heavens open up to mine eyes and I did seeth the truth of the universe. The circular constant did pour forth from the mouth of angels and bury within my mind and I saw that it was ...
12
votes
1answer
592 views

Slumdog millionaire (11)

My Indian friend Jamal recently participated in the well-known TV quiz show Who wants to be a millionaire?. You might have heard or read about Jamal's spectacular success; the media reported on it ...
9
votes
6answers
1k views

A closed path on the Rubik's cube

Is it possible to draw a closed path on the surface of a standard $3\times3\times3$ Rubik's cube such that the path traverses each of the $54$ little squares exactly once, and such that the path ...
7
votes
1answer
519 views

“Magic: the Gathering” Challenge #5: What if Pod was One of Us

Previous Challenge Next Challenge BACKGROUND: The usual magic rules apply here. Please be explicit in mana usage in your solution where relevant. I've tried to ensure that there are no infinite ...
2
votes
2answers
595 views

6 - the magic number (version 2)

Here is a question and some answer for it. Now my question is a bit outside the box. Well, put operators between the numbers show to get the end result: ...
17
votes
6answers
3k views

Abby and Bobby and three numbers on the blackboard

Abby selects a non-negative integer $A$, and Bobby selects a non-negative integer $B$. They then both tell their number secretly to Summy. Summy writes the numbers $5$, $8$, and $15$ on the ...
3
votes
2answers
6k views

Find the direction of the disc

You have a disc. One half of the disc is painted white and the other half is black. The disc rotates in either a clockwise direction or an anti-clockwise direction. There are two sensors which are ...
16
votes
4answers
916 views

Weighing in 2015 different ways

This question was inspired by something I realized while thinking about @Gamow's Weighing in 89 different ways. You have a two-pan balance and $2015$ weights, with masses $1,2,4,\ldots, 2^{2014}$. ...
5
votes
3answers
551 views

“Magic: the Gathering” Challenge #4: Stuck in the Grenzone

Previous Challenge Next Challenge BACKGROUND: The usual magic rules apply here. Please don't post a solution that if a solution for more damage already exists. Please be explicit in mana usage ...
0
votes
3answers
11k views

Divide a circle into three equal parts [closed]

You are at a restaurant. There are a total of three people(including you). Now you order a pizza and the trouble is that all three(including you) want equal parts. You have only a knife. How do you ...
5
votes
1answer
556 views

Four girls in a maze; find a match of their names and given numbers [closed]

There are four girls in the maze. 1: One with dark hair and wearing a green hat. 2: One with brown skin wearing a black tank top. 3: One who hit the wall and bloodied her head. 4: One who ran ...
19
votes
3answers
1k views

A curious little planet

Somewhere in this universe, there is an extremely tiny planet covered entirely in water. The only inhabitable surface on The entire planet is a raised Platform that keeps the animals on the planet ...
8
votes
10answers
3k views

A tiny question: The little big family

In a family, there are the following human members: Grandfather, grandmother, father, mother, son, daughter. All family members are inside a single room now. Question: What is the minimum amount of ...
12
votes
2answers
1k views

A Twice-Seasoned Riddle

This riddle is in season twice per year. Now is one of those times. My first turns a harsh command into a start And aid for a structure to aid from the heart. Two of my second can take you ...
10
votes
1answer
742 views

Figure out the language

I recently watched a documentary where they talked about messages sent into space and how they imagined aliens figuring out how to understand them. They used math and geometry in clever ways. I ...
6
votes
2answers
762 views

A prime number game

Alice and Bob play the following game on a $9\times11$ chessboard. First Alice divides the chessboard into $33$ smaller rectangles of dimensions $1\times3$ and $3\times1$. Then Bob labels each of ...
5
votes
2answers
823 views

“Magic: the Gathering” Challenge #3: Legends Rule

Previous Challenge Next Challenge BACKGROUND: Assume that this is a normal 20-life game of magic with no banned list (excepting cards from the 'Un' sets). If multiple solutions are tied for the ...
15
votes
2answers
901 views

The Ice Cream Cake Process

You have a circular ice cream cake, with pink icing on top, and the brown chocolate interior showing when looked at from beneath. Let $x$ be a fixed real number. Over and over, you cut a $x^\circ$ ...
16
votes
2answers
3k views

Rebus: Don't make me angry

Guess what this rebus represents???
6
votes
3answers
905 views

An Antimagic Square

You are to place the numbers $1$, $2$, $3$, $4$ and five zeros in a $3 \times 3$ grid. Do this in such a way so that the column, row, and two diagonal sums form the sequence $0, 1, 2, 3, 4, 5, 6, 7$...
12
votes
3answers
2k views

The knight's game

Alice and Bob play the following game on a standard $8\times8$ chessboard. In the very beginning, Alice picks a square on the chessboard and places a knight on this square. Then Bob and Alice ...

15 30 50 per page
1
344 345
346
347 348
425