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Questions tagged [logic-grid]

Logic grid puzzles, first produced by Lewis Carroll, are puzzles in which correspondences must be drawn between multiple ways of describing the same list of objects, using a given set of clues about these correspondences. Such puzzles can be solved using a grid, but for pre-existing grids whose elements must be filled using logic, use the [grid-deduction] tag instead.

2 votes
2 answers
346 views

Logical Reasoning - Seating Arrangement problem

Source P, Q, R, S, T, U, V and W are sitting around a square table in such a way that four of them sit at four corners of the square while four sit in the middle of each of the four sides. The ones ...
BlackBhadduWhiteSkin's user avatar
-4 votes
1 answer
116 views

Binary Grid Challenge and X & O Conundrum

You are given a 5x5 grid with some cells filled with either "X" or "O". Your goal is to fill the remaining cells with "X" or "O" following these rules: Each row ...
Mods And Staff Are Not Fair's user avatar
5 votes
1 answer
442 views

A Spelling Bee Champion And Some Bewildered Children

At this year's International English Spelling Bee For 10 Year Olds, the contest came down to four children. The judges decided to give each child two words to spell. No two children were given the ...
Truej's user avatar
  • 532
13 votes
3 answers
801 views

Mr. Martin And The Mismanaged Airport Terminal

There is a small international airport in Greece. It has just 6 gates, lined up from 1 to 6 going away from the front desk. Tickets here only have the last names of passengers and gate numbers clearly ...
Truej's user avatar
  • 532
4 votes
2 answers
409 views

Beach Umbrellas puzzle: did I make a mistake or is Brainzilla wrong?

https://www.brainzilla.com/logic/logic-grid/beach-umbrellas/ has the following puzzle: Four families are going to the beach in the morning and are bringing their family-size umbrellas. Which family ...
Joseph Sible-Reinstate Monica's user avatar
4 votes
1 answer
256 views

Find unique values for the variables to make all statements true

In this puzzle you have to find unique values for the variables to make all statements true. I have proceeded to here and now I seem to be stuck.
Teodor Dyakov's user avatar
6 votes
3 answers
405 views

Zodiac Signs at the Table

"And we find ourselves at another one of Ophiuchus' little themed puzzle dinners," you say while glancing at the other seven people. "I really like its puzzle dinners, honestly," ...
CatProgrammer's user avatar
5 votes
1 answer
263 views

Logic in the Polycule

Heavily based on a puzzle from Brainteasers and Mindbenders. Eve's anniversary with her polycule is tomorrow, and she's bought presents for all of her partners. However, she stashed the presents in ...
Exal's user avatar
  • 3,780
-3 votes
1 answer
443 views

Entry and Exit of people in pizza delivery shop

Similar problem at: https://brainly.in/question/38234304 Five people went to a pizza delivery shop at different times on a Sunday morning. They spent exactly 15 mins, 16 mins, 20 mins, 25 mins and 35 ...
Fin27's user avatar
  • 111
3 votes
3 answers
907 views

Man of War: A Numbers Problem

The story is set in an alternate universe, where magic prevails. A man breathes heavily, muttering inaudible words while hunched over a spellbook. This person is a castle mage, tasked with determining ...
Zitian Yang's user avatar
12 votes
1 answer
738 views

Friends and Enemies

Here is a short puzzle I made: There are 10 people arranged in a row, and each of them has a friend and an enemy also present in the row. Your goal is to identify the friend and enemy of each person. ...
VeryStaleAndDeadAccount's user avatar
5 votes
1 answer
407 views

In logic puzzles, can I rely on "or" to mean "exclusive or"?

Is there a common rule for logic puzzles on whether the word "or" should be treated as inclusive or exclusive? In computers, "or" is always inclusive. In common speech, it seems ...
rhaining's user avatar
1 vote
1 answer
248 views

Does "The investigator traveled the same week as the thief." in a logic-grid clue mean that two different people are referred to?

I've always wanted to know if a certain thing was expressly allowed or disallowed in logic puzzles. Here's a specific example: The investigator traveled the same week as the thief. Does this mean ...
rhaining's user avatar
5 votes
1 answer
620 views

Is "Connect 4 is Excellent, Connect 3 is Great" a solved game?

Connect 4 is known to be a solved game. I am introducing the Connect 4 is Excellent, Connect 3 is Great, variant of Connect 4. Both players play like connect 4 and fill the grid i.e. they don't stop ...
JKHA's user avatar
  • 6,157
5 votes
2 answers
491 views

My Master Piece Logic Puzzle Mystery

Six suspects for a bank robbery line up in front of you, with different nationalities, activities, occupations, suit colours and items. They all look nondescript to you, but you know someone holds a ...
Abdus Sami's user avatar

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