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19 votes
Accepted

Find the Distance

Cardiff is:
Sanea's user avatar
  • 546
18 votes
Accepted

5 bosses in a meeting room - Zebra puzzle variation

Deductions Clues 1 and 19 tell us that Also, by clues 15 and 18, he must be wearing Clues 5 and 16 tell us that Clues 11 and 12 tell us that But we know Michael is in the 5th, so (also using ...
Rand al'Thor's user avatar
17 votes

Find the Distance

If we take the question literally, we get the following:
Lolgast's user avatar
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14 votes
Accepted

Murder Mystery - Murder at The StackO Ave Tavern

My solution: For clarification:
Cloudy7's user avatar
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12 votes
Accepted

14 crosses in a 6 by 6 grid

I believe there are many solutions. One of them is this:
athin's user avatar
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11 votes
Accepted

A Day at the Zoo

Deductions 1. Charley's favorite only needs 3 unique letters 9. Dad's favorite starts the same as Charley's 3. Fred is a big fan of birds 6. Mary's starts with the same letter as Fred's 7. Heather ...
Rand al'Thor's user avatar
10 votes
Accepted

How do I solve this logic puzzle?

Setup We have four people (B,G,K,N), four objects sighted (balloon, kite, plane, telephone pole), and four days (Tuesday, Wednesday, Thursday, Friday). Here's the information we've been provided with:...
Rand al'Thor's user avatar
10 votes

14 crosses in a 6 by 6 grid

I tried to make the solution as compact as possible
Kruga's user avatar
  • 3,662
10 votes
Accepted

The Grand Grid II

The six hint are highlighted in this image: First hint: Second hint: Third hint: Fourth hint - solved by @Jens Fifth hint: - solved by @Jens Sixth hint: The final solution and the logic grid is ...
Annosz's user avatar
  • 1,700
10 votes
Accepted

PSE Advent Calendar 2021 (Day 12): Christmas Confusion

I'm guessing your Christmas present will be Zizy Archer has solved part 1 giving the order Now, these gifts So, now we should have enough information to deduce the arrangement!
user39583's user avatar
  • 8,988
9 votes
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Megan and the rambling reshuffle

I think the solution is: (in format: name - old position -> new position) Reasoning: First, notice that we also know about and We should notice, that Hence Next, we should use that ...
elias's user avatar
  • 9,610
9 votes
Accepted

Difference grid

The only possible solution is The position of the three 1s is immediately clear from the minus signs. This helps a lot because we can now always disregard 1s for multiplication clues. Next to the 5 ...
w l's user avatar
  • 4,992
9 votes
Accepted

Fill the squares with the right tetrominoes

I think this is a valid pattern: I hope I haven't made any obvious blunders here.
M Oehm's user avatar
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9 votes
Accepted

Girl Hackers - Logic Puzzle

The solution: Verification from clues: The hacker with 36 wins isn't from Portland. The hacker from Los Angeles is either Yvonne Ware or the hacker with 4 losses. Yvonne Ware is from Miami. ...
Tojra's user avatar
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9 votes

Pizza and Subs - Delivery Dilemma

The answer is And we can figure this out by Now the statements we have are: What about the others?
Deusovi's user avatar
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8 votes
Accepted

Can you solve the 7x7 (sudoku-ish) centered sums puzzle

This is quite easy to formulate as a 0-1 integer linear programming problem and then throw at a specialised solver. With no objective function to optimise, lp_solve ...
Peter Taylor's user avatar
  • 4,541
8 votes

The Harry Potter Potions Riddle

So, there's a detail here that I'm surprised has been left out. In the original book, the picture that's shown above doesn't appear. The picture appears to have been added for a later web-based ...
Mark Green's user avatar
8 votes

Athletes at the Rio Olympics

I still can't get 4 and 14, but here's my contribution to the bonus: I believe the solution to clue 14 is
Morgan G's user avatar
  • 2,124
8 votes
Accepted

Logic problem about five thieves

We start with some easy observations: "Damian knows only one of the thieves" and "the hacker is the only one which knows only one other": This implies that Damian is the hacker "The hacker and the ...
Gamow's user avatar
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8 votes
Accepted

Art Accident at Airport!

Here is the solution progressed further thanks to the solver referenced in another answer. Mike First, notice that Mary 3 and Mike 1 cannot both be true: they disagree on the bag that went to Houston. ...
Trenin's user avatar
  • 8,964
8 votes
Accepted

An Artistic Bunch

Final occupations: Explanation: Lets see what each line tells us 1: 2: 3: 4: So using this information lets see what everyone could be and narrow it down from there: We can instantly see that ...
Beastly Gerbil's user avatar
8 votes
Accepted

Cheesemonger's puzzle

The answer is: The grid: For the special offer (Big thanks to Jafe in the comments). Reasoning: let us take a look at what each statement tells us: Cheddar has a 45° wedge cut out of it; Parmesan ...
Smartest1here's user avatar
8 votes
Accepted

Reasoning puzzle involving five friends and five departments

There are many ways to go about this, but here is the easy grid way. This is a long detailed description for how to solve so someone else will probably beat me with a simpler method, but this one ...
Graylocke's user avatar
  • 2,483
8 votes
Accepted

Friends and Enemies

Manish Kundu's user avatar
  • 2,684
8 votes

Man of War: A Numbers Problem

The most likely solution: Here There are some other somewhat plausible possibilities with different number of machines:
Zizy Archer's user avatar
  • 2,140
7 votes
Accepted

Athletes at the Rio Olympics

Thanks to Morgan G I could get the last three sports I was missing. I also could not figure out 14. Answer: Martin Fuis: Dumber Nanoslav: Vastena Nanopi: Bert ...
Bcmonks's user avatar
  • 136
7 votes

14 crosses in a 6 by 6 grid

I think this solution is independant from the ones already published. Consider those blocks: A B C Place them anywere on your 6x6 board, and your get dozens of solutions.
Evargalo's user avatar
  • 6,280
7 votes
Accepted

Who owned each heirloom?

What we know: "Lady Winslow was at the far left" "next to the guest wearing a green jacket" "falling onto the guest in the center seat, spilling the poor woman's rum." "The lady in red sat left ...
Kepotx's user avatar
  • 2,094
7 votes
Accepted

Setka - Complete grid using clues and sudoku-style logic; Theme - Halftime

Here is the completed grid: However, I could not solve all the clues. The following were enough to fill out: Here are some I figured out after completing the grid.
daw's user avatar
  • 3,178
7 votes

Setka - Complete grid using clues and sudoku-style logic; Theme - Halftime

Answers: The grid:
JMP's user avatar
  • 35.6k

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