Linked Questions

32
votes
3answers
2k views

Alphametic as protest

This is my (constructive) way of protesting the new sandbox for riddles. It's a simple alphametic. You know the rules. Each letter is a unique digit. The leading digits cannot be 0 (zero). If you ...
8
votes
6answers
4k views

Move a single match to make this expression true

Move a single match to make the following expression true: So far I've found 6 valid solutions, can you find all 6? (or more!) Edit: Lots of great, creative answers! All 6 I found are represented ...
4
votes
5answers
1k views

What are they trying to solve?

I was on the the train once, bored as hell (because trains in Romania are really slow) and at one point I hear 2 guys behind me, probably as bored as I was, talking about puzzles. And I thought: "Oh! ...
12
votes
2answers
848 views

The Peculiar File

So I was browsing through my computer files earlier and I found a file I'd not seen before. I was wondering if you guys could help me figure out what it's about. This is where I found it: This is ...
6
votes
3answers
416 views

Two knights and two rooks on a 5-by-5 chessboard

In how many different ways can two knights and two rooks be placed on a $5\times5$ chessboard, so that no piece attacks another piece?
5
votes
2answers
477 views

The trunk of trivial trials

This puzzle is a knockoff of humn's The case of the world's easiest puzzles. (humn has encouraged spinoffs in a comment.) Hey be careful with that case! Even the slightest nudge, jostle, or jog, and ...
13
votes
1answer
337 views

Cryptic Rebuses Go Meta

At the library, cryptic rebuses read a book on self-reference. If you're unsure how cryptic rebuses work, you may want to check out this primer. *I don't own any of the images from which I drew in ...
9
votes
1answer
431 views

A Little Cryptic Puzzle

Nothing too complicated here, solve the six cryptics and find the final answer to this puzzle :) Cult or area (6) Reshot fails strangers (6) Announces hole prices (6) Programming string about single ...
3
votes
1answer
466 views

Infinitely simple polygon solipsism

           Solipsism — The self is all that can be known to exist. Above is a simple polygonal region divided into infinitely many different-...
2
votes
4answers
321 views

Create a 1 inch measurement

This is a follow up to the "Create a 3 inch measurement" puzzle, which got a lot of innovative solutions. Using the standard 8.5 x 11 inch paper, can you create a 1 inch measurement only by folding? ...
-2
votes
2answers
200 views

Shifting the stack as it is

There are $3$ saucers. And there are $5$ disks, say A,B,C,D,E, having respective areas $1,2,3,4,5$. That is, E is the largest disk and A is the smallest one. They are placed in the order E,D,C,B,A in ...
5
votes
1answer
290 views

Haisu: Pink Rose

HAISU is a portmanteau of three Japanese words - 'hairu', to enter, 'su', number, and 'hausu', an English borrow word meaning house, of course. Together, we get a meaning of 'enter number house', ...