All Questions

In the year 240747665835497936670841504392312550131533789094302176923021923 0892355006879909214795402102204224, as cosmopolitanism is in the air and companies are more than ever bound to a fair ...

Specify the clue in this pattern: 22 12 0 15 18 15 27 26 18 13 8 22 27 13 0

This is a Heyacrazy puzzle, originally constructed for a test for Logic Masters India. Rules of Heyacrazy: Shade some cells of the grid. Shaded cells cannot be orthogonally adjacent; unshaded ...

Three colleagues at the bank are boasting to each other… Colleague 1: “Ask anybody – I’m clearly the best.” Colleague 2: “And how do you figure that?!” Colleague 1: “Well, just ...

Sometimes it's difficult for outsiders to understand what brings a couple together. What brings each of these couples together? ...

A quick teaser, enjoy! Across 3 Dance bores serious (5) 6 Light angry look (5) 11 Finally asked it to agree (5) 12 Rails - cunning homes of thieves (5) 15 Trap saner design (5) 16 Kingdom with real ...

This is a Heyacrazy puzzle. Rules of Heyacrazy: Shade some cells of the grid. Shaded cells cannot be orthogonally adjacent; unshaded cells must be orthogonally connected. When the puzzle is ...

In my home is a common household object. I securely attached a marking pen to some point on the household object, and I placed a sheet of graph paper next to the pen, so the paper would not move. I ...

Contrary to the lazy puzzler, the creator of this masyu is too ambitious that he adds not only one but two extra stones, so the puzzle is unsolvable. Finish his job for him by removing those ...

These three belong to three different clubs. First one, very popular, is singles only club. It is closed for new membership. Second one, very useful, is for singles and couples. It is open ...

This is actually coming from a business place, but it's all about being able to do math tricks, and that's why I'm posting here. I want to implement the following function: ...

I went to a play recently. Immediately after the intermission, some cast members sang this short (and terribly written) song: This treatise we sing on this section of stage is not so long as to ...

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 an Independent Word™. Use ...

This is a Heyacrazy puzzle. Heyacrazy is an original genre, inspired by the "two border" rule of Heyawake and Heyawacky. Rules of Heyacrazy: Shade some cells of the grid. Shaded cells cannot ...

Sliding-block chess puzzles have gone a little cold, so here be a hearty warm-up! ;D In the below position that I created, it Black to move, but there is a twist: the stipulation is that it is a ...

Once, while I was traveling on a vehicle in the Caribbean, I watched a pattern form over the course of about 30 minutes. The rendering below is an approximation of that pattern from memory. The gray ...

A queen on the center of the board has 27 possible moves. Sometimes a queen can be trapped, like in the position below. Note: This is just an example of a what a trap should be like-every possible ...

The sound of thunder's like a whip, one takes a stab and makes a quip; uncaps a bottle, lights a pipe, accessing files of private type; a mental crisis, break of dawn, can experts solve what'...

Credit: Brandon X. You have just woken up. You recall the night before, being driven from your home to a luxurious hotel by some people of a company or organization or something-The Ofgelenkt ...

Lenny Fingers is out on the street again, hustling people with his shell games. This time, he's using words. As you walk by, Lenny grabs you with an enthusiastic smile and shows you two words side-...

There is one answer that satisfies the title, and all of the lines below. I can bow to the enemy. I am the opposite of myself. I can help you, if you want to go back. I am known for staying ...

What is this story about? (Apologies if at the end I improperly announce the answer.) Bill and Dan bravely ventured forth, eagerly hiking towards a notorious outcrop. Traipsing through the water ...

What peculiar property do all these words have in common? ...

A locksmith uses the tool below to pick a tumbler lock with 6 pins and 6 possible pin heights. Suppose she already knows the correct sequence in which to try the pins. How many combinations will she ...

User ID: 3Aq47h-20dpc8l Language: English (UK) Today I noticed a strange text file on my Windows 10 PC's Desktop called "README.txt". Curious, I opened it and it read START → 2↑ → P 3→ ↑ P 4→ P →...

A long chain of organic molecule will somehow snap on 3 links forming 4 shorter strings. Then realign themselves together or self-assemble to form a double helix dna strand. Like a twisted ladder with ...

I accidentally threw a red at my teammate during a Mario Kart Wii organized race, causing someone else to be banned from a MKW lounge for a week as a result. Try to figure out the missing steps. If ...

You and the hiker walk through passageway and are surprised to find yourselves in a forest clearing. There seems to only be one path, but there is also a piece of paper nailed to a tree: ...

First of all, I am not sure if this is the right place to ask this question, I wanted to post it at the mathematics community but also wasn't too sure. I read somewhere that when dice are fair, the ...

Replace the question mark with the next number. 14, 1, 13, 0, 23, 21, ?

This is one of the cipher-based challenges I have created for my club. This is a lengthy puzzle so feel free to post partial answers. My golden rule is that moving something that isn't glued down ...

According to our psychology examination, Mr. X Is afraid of heights as well as the cookie monster under his bed (1) Prefers to work late into the night (2) Has 20/20 vision with perfect ...

Here's a piece-drop puzzle of my own. In the below position, a White piece is to be dropped onto the board. This means that, before White can move, they must legally put a single piece on them board. ...

I am heavier than most, but I still run faster than you. Some mistake me for a fool, yet everyone else loves me. Even as centuries pass and empires disappear too-- I stay by their sides, ...

2 roommates - Arjun and Bishan - rent a house with two rooms for a month. One room is 700 sqft in size and the other 300 sqft. Let's say that the rent is Rs. 100 for 1 month for both rooms combined. ...

The tripan balance is used for comparing different weights. For example, when the pans carries 7 balls,5 balls and one is empty. The heaviest tilt to lowest level while the empty pan is at the highest ...

Yesterday, I organized a contest with various challenges the participants had to solve. I put 6 very simple puzzles that were solved almost instantly, and the deadline was supposed to be until Sunday. ...

The following groups of 7 number in each line, are related in each line in a unique way: ...

On many TV talk shows, the guest enters the stage from the right side (from the audience’s perspective), walks past the front of the host’s desk, then turns around just before sitting in the guest ...

I got this riddle from a friend who told me that he invented it himself. Please help me with this riddle! I am creamy, but I'm not cream. I'm steamy, but I'm not steam. I'm dreamy, but I'm not ...

This is a Heyawacky puzzle. The rules are the same as Heyawake, but non-rectangular regions are allowed. Rules of Heyawake: Shade some cells of the grid. Shaded cells cannot be orthogonally ...

One day, while flying your single-engine seaplane out over the Pacific, the electrical system shorts out, all of your electrical systems (including the radio) fail, and the engine dies. You are in a ...

Eric Andre had a dream. What did he dream? Hint $\downarrow$ (the answer does require knowledge, though I'd assume it's pretty common to know about it) Not part of the puzzle. TL;DR This is my ...

I'm off to the Science Museum London tomorrow, to the Exhibition celebrating 100 years of GCHQ. As such, they sent me a little reminder email this afternoon. On the bottom of the email was the ...

My friend gave me this sequence of numbers： 3=11 6=12 11=13 14=14 361114=A A=? Which number can replace the question mark?

No gibberish, let's jump to the riddle! I am a NAME. Remove a letter, I am what a name may stand for. Remove yet another letter, I am another name of another type. What on earth am I? Oh, ...

I wrote this riddle years ago while walking around a shopping center in Sydney and I didn't think to write the answer down. So taking all guesses on what the answer should be. When one is not sour, ...

Place 15 different positive integers on the vertices of this graph so that the ten products of three numbers in a straight line are all equal.

Here's a small head-scratcher for you all today. In the above position, it is White to play and mate Black in four moves, assuming that Black plays their best moves. However, there is a catch—there ...

Inspired by the "Treasure Hunter Monolith" minigame from Danganronpa V3 Dodgy Dies Guide Terminology Block - a single die on the grid. Cycle - a list of blocks Value - the ...