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Harry Potter: Logic puzzle: Weasley Travels

  • Mar. 1st, 2012 at 12:28 AM
Title: Weasley Travels
Fandom: Harry Potter
Rating: G
Length: 375 words
Content notes: none
Summary: The five youngest Weasleys leave Mrs. Weasley a note telling her where they've gone for the day, but with a twist. (If you aren't familiar with this type of puzzle, scroll down to the bottom for instructions.)



Molly Weasley had always been concerned about her children’s safety, and as they got older and the war with Voldemort progressed, her concern increased. At least during the school year, she knew where they were and that they were relatively safe, but when they came home for the summer, who knew where they could wander off to? One evening, she sat her youngest five down and informed them that from that time on, they should leave her a note whenever they left the house, telling her where they were going and when they would be back.

Considering that two of these children were notorious pranksters, she should not have been surprised to find the following note awaiting her when she awoke the next morning. Can you help her figure out who has gone where by which mode of transportation, and when they will be back, before the first person returns home? :-)

Dear Mum,

We’ve all gone out for the day to different places, including Fortescue’s Ice Cream Parlour. As it happens, all of us used different methods of transportation (one method, you will be sad to hear, is Dad’s old flying car), and we’ll all be back at different times (3:00 pm, 4:00 pm, 4:30 pm, 5:30pm, and 6:00pm).

Ron will return an hour after Fred, and Percy will return after George does.

The person who went to the Quidditch field will return after the person who went to Privet Drive, who will return after at least two other people.

Neither of the twins is utilising the Floo network today.

Nobody whose name begins with G will be back before 4:30.

The person who went to the library will return last.

The people who Apparated and took the Knight Bus comprise the youngest and the oldest among us.

The person who went to the Ministry of Magic will return first of all of us.

Ginny doesn’t have her Apparition licence yet, and knows better than to Apparate without one.

The person on the Knight Bus will return an hour before the person who is travelling by portkey.

Sincerely,

Fred, for Ginny, Ron, George, and Percy

P.S. Mother, I assure you I had nothing to do with any of this. —Percy


The Weasley children didn't leave their mother a grid, but if it would help you solve the puzzle, put X's and O's in the above grid. (Grid courtesy of the lovely tlstyer.com and the not-so-lovely-but-at-least-it's-free Microsoft Paint.)

About Logic Puzzles

I'm not sure what percentage of my audience is familiar with this type of puzzle. Basically, the clues contain all the information you need to know who went where how and will be back when, but not in a particularly linear order. But if you keep track of what you do know and eliminate everything that can't be true, eventually, you'll figure out what is true.

Penny/Dell Puzzles has a short guide to solving logic puzzles here, if you want more help. (Link is to a PDF).

Answer Key (Highlight to read)


Ginny took the Knight Bus to Privet Drive, and will be back at 4:30 pm.
Ron Flooed to Fortescue's, and will be back at 4:00 pm.
Fred took the flying car to the Ministry of Magic (oh dear!) and will be back at 3:00 pm.
George used a portkey to go to the Quidditch field, and will be back at 5:30 pm.
Percy Apparated to the library, and will be back at 6:00 pm.


Comments

elen_nare: (Default)
[personal profile] elen_nare wrote:
Mar. 1st, 2012 02:17 pm (UTC)
That was brilliant! I love these puzzles, it was really fun to solve - and a really original take on the prompt :) I can just see Fred leaving a riddle like that for Molly, too! And Percy's postscript is perfect. I like where everyone's going, too.
[identity profile] princess-lirin.livejournal.com wrote:
Mar. 3rd, 2012 11:19 am (UTC)
Thank you! I'm so glad you had fun with it! (And yeah, I just had to put that postscript by Percy in. There's no way he would have willingly gone along with this...)
[identity profile] sprat.livejournal.com wrote:
Mar. 1st, 2012 02:53 pm (UTC)
Oh, this is so cool! I love these kinds of puzzles and this is a fun one to solve. What a great response to the challenge!
[identity profile] princess-lirin.livejournal.com wrote:
Mar. 3rd, 2012 11:26 am (UTC)
Thanks! I'm so glad to find out that so many other people like these kind of puzzles...sometimes I feel like I'm the only one. Glad you liked it!
[identity profile] storyfan.livejournal.com wrote:
Mar. 2nd, 2012 02:32 am (UTC)
I love logic puzzles. I'm going to try to solve it this weekend. What a wonderful response to the challenge!
[identity profile] princess-lirin.livejournal.com wrote:
Mar. 3rd, 2012 11:29 am (UTC)
Thank you! I hope you enjoy solving it!
[personal profile] kalisgirl wrote:
Mar. 2nd, 2012 04:18 am (UTC)
This is so cool! And so Weasley! I haven't done one of these in years but I used to love them. I'm going to print this off for my lunch break tomorrow. Great idea!
[identity profile] princess-lirin.livejournal.com wrote:
Mar. 3rd, 2012 11:38 am (UTC)
Thank you, and I hope you enjoy(ed?) solving the puzzle! I'm glad you think it fits the Weasleys...I don't write them very often, but they were so perfect for the prompt.
[identity profile] astrogirl2.livejournal.com wrote:
Mar. 3rd, 2012 02:53 am (UTC)
Wow, I hadn't done one of these puzzles in ages! Lots of fun, and I'm feeling rather proud of myself for getting the right answer without too much trouble. Nice to know I've still got it!
[identity profile] princess-lirin.livejournal.com wrote:
Mar. 3rd, 2012 11:44 am (UTC)
Glad you enjoyed it! And oh yes, doing something you haven't done in forever and still being good at it is such a lovely feeling. :-)
meridian_rose: pen on letter background  with text  saying 'writer' (Default)
[personal profile] meridian_rose wrote:
Mar. 4th, 2012 11:29 am (UTC)
Genius :D I enjoyed this, and you gave enough clues so it wasn't horrendously difficult - and thanks for including the grid :D
[identity profile] princess-lirin.livejournal.com wrote:
Mar. 5th, 2012 08:40 am (UTC)
Thank you! I'm glad you enjoyed it, and I'm sure glad the grid was appreciated, because I had so many frustrations with Microsoft Paint while I was making it. But it's all worth it if people are actually using it. :-)
musyc: Silver flute resting diagonally across sheet music (Default)
[personal profile] musyc wrote:
Mar. 5th, 2012 04:52 pm (UTC)
Oh, this was such fun! I love logic puzzles, have subscriptions to magazines and everything. Very entertaining response to the challenge! XD
musyc: Silver flute resting diagonally across sheet music (Default)
[personal profile] musyc wrote:
Mar. 5th, 2012 04:54 pm (UTC)
Addendum for future reference: When you're doing spoiler codes, you need to change the background as well as the font itself. I don't view LJ on a white background, using a Stylish extension because of my vision. The white font stands out even more than black, to me.
[personal profile] lt_indigo wrote:
Oct. 28th, 2014 11:23 pm (UTC)
This was fantastic; a really original use of a prompt. I had great fun solving it :)

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