# All Questions

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### What is a Horsethorn 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 Horsethorn Word™. Use ...
42 views

### Twelve Labours - #10 Meat Monster

This puzzle is part of the ‘Twelve Labours’ series, but can be solved independently. Previous instalments can be found here: Prologue | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 The next stop on ...
162 views

### What world is this where 6 + 6 = 10?

Upon traveling the world, I found myself in a peculiar place which was called Gauss. The locals there were a peculiar people, as I soon found out. I stopped to grab a bite to eat and learn about the ...
86 views

### The grandest bridge in Appelhaken

In the capital of the grand country of Appelhaken there is a plane garden containing four magnificent monuments. So magnificent are they that the country has a Law requiring that there must be a ...
63 views

### Caesar Cipher Puzzle [on hold]

So I have this Caesar Cipher: Here are three facts about Mr and Mrs Smith: 1) They got married on July 7, 1977 2) They had 634 guests on their wedding 3) Their wedding took place in Ireland This is ...
120 views

### According to who?

Done in Princeton with disgust. Or, basically, to cover floors. A blot or smudge, Or anything up to C. Eighty percent luck, Or in sound by sight. In a public lavatory Or a house of ...
558 views

### I might blow up!

Everyone has one but sometimes you can doubt it. If you lose me, you must be crazy! You can do me and you can don't, but the negative is the positive. Surprisingly, I can also blow up! ...
78 views

### A four digit long password [on hold]

Mary has a password-protected smartphone, but she is not very good at remembering numbers. She decided to come up with a simple mnemonic, "My favorite things are MILK and EGGS." Her password is 4-...
923 views

### Back with another one-line wonder!

When a roman emperor tilted his head, he became nothing. Why? The answer must explain who the emperor is, what the riddle is talking about, and overall shouldn't be too vague. If these short ...
1k views

### A New Math Operation?

Your quirky Math teacher comes with a new Math operation called "@" and wants to see if you can figure out what it does. She writes the following examples on the blackboard: 8@5 = 31340 9@3 = ...
52 views

582 views

### Hearts and Spades in a Row

From a deck of playing cards remove hearts ace to seven, and spades ace to seven. Now place them on a table in a row so that the number of cards between the two aces is 1, the number of cards ...
92 views

### Another coin weighing puzzle. But this is simple!

There are many coin weighing puzzles. So a general attribution to all of them. (And I will fully understand if you completely ignore this one). Hope this is not a duplicate. But I think this is a ...
453 views

### This Riley Riddle is a Mess

My prefix is hypocrisy, My infix is before, My suffix lasts for seven years, My whole from which you pour. What am I? Please explain each line in your answer.
121 views

### Periodic Shifting Lock

I'm a delivery agent for UPS. On the package, I've been given instructions to drop off the package at a mail reception building accessible only through a "Periodic Shifting Lock," which I assume means ...
780 views

### Triangle puzzle

Can you guess the pattern? Fill in the blank for the last triangle
3k views

### Lost Time at Motel?

Jack is a truck driver from Springfield, Illinois. On one of his trips to Louisville, Kentucky, something bizarre happened. He left Springfield at 8:00 PM and arrived at Louisville 4 hours later. Then ...
145 views

### Who is the murderer and who is lying? [on hold]

A murdered case is reported by a person and two suspects who are A and B are arrested and detained for admission and confession because their silhouettes look very similar to the murderer that appears ...
2k views

### How did everyone fit in the Car? [on hold]

John and his wife own a car that fits a maximum of 5 people. He drives Molly to work every day. On his way, he drops his three kids off at school, and his mom at the mall. How did everyone fit in ...
491 views

### Unlock The Mystery

load-bearer jailer poultry primate rider bologna Hi guys! Sorry I've been away for so long; hope you enjoy this brief little puzzle.
260 views

### Twelve Labours - #09 House of Hippolyta

This puzzle is part of the ‘Twelve Labours’ series, but can be solved independently. Previous instalments can be found here: Prologue | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 The House of Hippolyta ...
181 views

### What is the most appropriate clue here?

Background. I'm specifically interested in how to design a puzzles chain for a team (8-10 teenages). We are going to play at a Scientific Museum. The main the idea is to find a key and open a lock. ...
287 views

### What was Grandpa really doing?

"Guess what happened during my walk". Said Grandpa "I saw gods in a ghetto"! He continued with a smile. "What?" I said. "Well, not really. But can you guess what I did?", Grandpa asked. ...
496 views

### On Valentine's Day

A Women gets into an accident and can't remember who she is or family. The police ask her if there's anyone they could call. She thinks for a bit and says, "On Valentine's Day, we had pie and talked ...
77 views

### What's the number in the cell marked by the question mark in the cell according to the pattern?

I came across the puzzle shown in the picture below. Please help me work out the number in the cell marked by the question mark. Thank you very much. This puzzle is from the exercise booklet for ...
239 views

### What does “?” stand for?

As stated in the title, what does the "?" stand for? If you want me to clarify something or if you want additional information, let me know. But this should be sufficient. -30 04 50 = 16 -10 16 40 =...
693 views

### Queens full of jacks

(Note: I doubt that this puzzle is complex enough to post it here, but I still took a try.) There are 3 queens and 2 jacks (a full-house combination from poker) taken from a deck with standard suits, ...
1k views

### How to use a Mobius strip for puzzle creation?

A Mobius strip is one of the basic concepts of topology. There are many interesting tricks using this strip (for example, interesting results of cutting the tape with a different number of turns). ...
286 views
+50

### A letter sequence with curious repetitions

There was a time when I created some letter series puzzles. This one is an old one. Replace the question marks. P, Ca, ?, ?, O, Ca, P, Ca, ?, ?, ?, Ca Hints(1-3): I will reveal three question marks....