# All Questions

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12 views

### Numbers in the series: The British way

What are the next two numbers in series? Six hundred and forty Five thousand Eight thousand ? ? What is the next number? Is this a trick question? Note: I am using the UK ...
65 views

### The hardest crossword you'll do today!

This could well be the most difficult crossword you do today! Please note that the use of Google and other search engines is STRICTLY FORBIDDEN. (Of course, I have no way of policing this, but if ...
64 views

### Stop, and stop now

Oh hang thee, I do, from the rafters above; Though I'll often do my utmost to support thee from below. Sometimes I'm wont to leave thee waiting in ears; But as a rule, I'm a beast, telling thee ...
114 views

### Is there any easy way to solve this lock puzzle?

https://js13kgames.com/games/lock-puzzle/index.html The link provides an online puzzle game of $16$ tiles in the form of a $4 \times 4$ matrix of which some entries are in the form of vertical tiles ...
50 views

Always remember this. What is the image above trying to say?
90 views

### Colouring the map of Canada

A previous question asked whether the map of the USA needs four colors. Now, what about Canada? If you want to assign a colour to each province and territory, so that no two neighbours have the same ...
81 views

### Literally Riley

My prefix sounds of lines My infix's on signs My suffix's hat's askew I'm Spanish, it's true What word am I?!
302 views

### A quick rebus for the children

As a parent, it might happen to tell this at the partner: (3, 3, 7, 4)
93 views

### Reverse Engineering Computer Formula

A computer uses an unknown formula to create a 4 digit Output using specific Input. Here are 3 examples: Input = 20066 : 020470 : 47 : 1 : 322267 Output = 0927 Input = 20066 : 020470 : 46 : 3 : ...
77 views

### What is the next number in the following squares? [closed]

What is the next number in the following squares?
115 views

### The scientific one!

The picture below will lead you to the correct answer. The answer consists of two parts(_____ _____). Try see if you can make sense of it! Oh, and don't forget.... the scientific one! Hint
136 views

### Another puzzle for who has long boring days

The rules: each row must have the digits from 0 to 9. The sum of the digits in the column is shown at the bottom of the column. The same number can appear more than once in a column. Adjacent boxes ...
50 views

### Ranking boxers in order of their strength in minimum number of days [closed]

1024 boxers are to be ranked in order of strength: The following are given: No two boxers have the same strength In any match, the stronger boxer always wins A boxer may fight in only 1 match per day ...
70 views

### How to solve this maths puzzle? [closed]

How can I solve this maths puzzle?
63 views

### unsolvable Number pattern [closed]

This is the sequence: 24, 333333, x, x, 53, 44444444, 82, x, x, 222244444444, x, x,x, 444433333322221 In this sequence we could consider those couples: 24,333333 x,x 53,44444444 82,x x,...
71 views

### Please ! Answer this puzzle [closed]

How should the numbers be filled in in this arithmetic grid?
114 views

### Can you fill in the missing number?

Try to figure out what number might be missing inside circle (sorry for bad drawing :P ) . All the best :)
133 views

### Complete the series:

4427, 827, 67, 31, 9, ? Looking at the numbers I tkink that there must be some exponential relationship but couldn't find it. I took the sequence of differences between the numbers which is 3600, 760,...
523 views

### Guess characters from pictures

I've been sent this by my friend on Facebook. Unfortunately I don't know the original source. Every picture represents a set of TV characters. Can you guess who they are?
392 views

### Knights and Queen puzzle

This is not original. I just want to share this problem. If you have heard of it, please give opportunities for those who haven't to answer. Horst and Queenie are playing a game on a $200\times200$ ...
218 views

### New puzzle for who has long boring days

This is a Sujiken puzzle ...
1k views

### A strange dictator

I am a strange dictator. I meet with three of my fellow leaders at a square table. In discussions I'll always agree with whoever's across from me and almost never agree with whoever's next to me. ...
285 views

### Rock, Paper, Scissors, Anti-Rock

Alice and Bob are both well-known perfect logicians who have the ability to internally randomize and often pass their time by playing rock-paper-scissors. One day, tired of the usual RPS game, Alice ...
287 views

### Something I loved the most

Below are some puzzles you need to solve to make a 4 letter word. 1. 105 35 315 ? 2. I am the most important element in your surrounding. I was found by a Scottish physician. Who am I? 3. I am ...
646 views

### A trip around the United Kingdom?

Last year, I visited the following towns and cities in the UK, in order, following a specific route Huddersfield Portsmouth Grantham Sutton Edinburgh Giffnock London Eastbourne Where ...
538 views

### A looped building with Prime rooms lighted

Imagine a building with 200 consecutive connected rooms as shown below. The shape is not important. It could be a circular loop building. You do not know the room numbers but you are told that they ...
150 views

### Some luck involved

Can you guess the theme? Note: Rather easy if you have the knowledge, despite my efforts to toughen it up, so please no image search!
1k views

### Brain twisting maths sequence question

The answer is But what is the explanation?
168 views

### They all relate to one thing

1: $60$ $60$ $60$ 2: $\frac{n(n+1)(2n+1)}{6}$ 3: $\sqrt{s(s-a)(s-b)(s-c)}$ 4: $\frac{21}{7}$ 5: 25, 36, ? 6: $>90$ Find what all of these mean or what they represent (What I ...
452 views

### Find how many colors are needed to color all vertices

In this puzzle you need to identify the minimum number of colors needed to color vertices such that no two adjacent vertices ...
145 views

### Found this on The Ohio State University campus on a pillar relatively hidden from view. Any leads? I’m clueless

Here is the photo of the code... I think. I don’t know what it could be, but it was duct taped to a pillar for several weeks before I was kicked off campus from COVID-19:
147 views

### NineFind - Which 9 Numbers Are Correct?

Text Version: ...
107 views

### Need help for a sto-stone puzzle [closed]

I need help for this puzzle. The name is Sto-Stone, a friend sent me for geocaching.
666 views

### Place the numbers 1-7 in the squares so that each row and columns adds up to the same total

A F B D E C G A+B+C = B+D+E = F+E+G Numbers 1,2,3,4,5,6,7
304 views

### A short puzzle especially for social isolation time

Solve the following analogy. ":" means "is to" and "::" means "as". Text only:
253 views

### humans, vampires and mirrors

Here is a room composed of $10 \times 10$ squared cells. Some cells contain a double-faced mirror ( / or \ ) that reflects the light with an angle of $90°$ on both sides. The other cells can be empty (...
509 views

### Analogy with Number

The given analogy is 343 : 989 :: x : 669 What is x? 223 332 333 233
541 views

### Elementary, my dear Louis

Felt it was time for another Density™ puzzle. Warning: May require thinking. Enjoy! Final answer: (3,4,4,4)
182 views

### Find missing number

In below grid there are 2 numbers missing fill it with appropriate number . Text version: 69 10 13 192 ? 45 279 64 ? Hint :
3k views

### Pretty lame reviews.. Why do people want this?

Browsing an online store, you see this product. The reviews are pretty low, but it seems many people want it. What is it ?
222 views

### Where is Bob tweeting from?

Your friend Bob burnt out at his job, and went abroad for a long vacation1. He tweeted this today. Where is he ? 1 Note that Bob is not subject to lockdown since he is a hat. Hint
2k views

### How many spots do these frogs have?

You are approached by 5 spotted frogs who appear to be venomous, to avoid getting bitten by them, you must find out how many spots they have. The frogs with an even number of spots always tell the ...
372 views

### Number Guessing (Part 1)

I thought up two positive integers with product less than $500$. I told their product to Penny, and their sum to Sandy, and told both of them the constraints and they are both perfect logicians. ...
184 views

### That letter sequence started so nicely

Find out how the following letter-sequence is constructed: ...
287 views

### The entrapment of Beastly Gerbil

Part 1: The disappearance of Beastly Gerbil I've been trapped here for what feels like forever. This is all I've known. Darkness. The occasional flash of light, but then back to darkness, always, ...
385 views

### What is the minimum count of steps required to complete this maze correctly?

Here's a map: How to play Legend: B = Boost X = Objective (•) = ...
336 views

### Akari: Another Light

Rules (taken from Nikoli): Place light bulbs (circles) according to the following rules. Light bulbs may be placed in any of the white squares, the number in the square shows how many light ...
129 views

### My whole ceases to be anything

My prefix isn’t affirmative My infix is somewhat a ring My postfix isn’t a prime My whole ceases to be anything