Puzzle Help Items 169-180

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180  GridWorks Praise
179  Two Logic Problems Packs to Download
178  Hummingbird Jigsaw Puzzles
177  Latin Squares 4x4
176  What is the Greatest Amount of Pieces for a Jigsaw?
175  What's next: leave, plateau, remember... ?
174  The Ring and the Chain Puzzle Trick
173  A Table Tennis Ball at the Bottom of the Hole
172  Matchstick Problem 88111
171  Six Squares and 9 Lines
170  Unicursals: 2 Squares with Crosses & 1 Triangle
169  An Orchard of 10 fruit trees
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180  GridWorks Praise
180  GridWorks Praise
Question:  Hello,

I'm a pretty avid puzzler and I would just like to say that I am very impressed by the your Gridworks puzzle. It's so simple and yet still finds new ways to get me thinkin'. Theres so much more to be done with the concept, and I look forward to a new one every week. Great job!

-A fan

Answer: 
We are very pleased that many of you, our fellow visitors, like GridWorks puzzles so much and we do appreciate any comment sent to us about the concept, including the praise as well! *grin* Each week we do our best to select the most interesting challenges for your enjoyment. The task is not that easy, as we have to find new combinations and clues all the time.
Posted: April 27, 2009
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179  Two Logic Problems Packs to Download
179  Two Logic Problems Packs to Download
Question:  I have downloaded your Logic Problems 12...the printable version on your website. Where can I find the solutions to check my answers?

Thanks.
Sherry W.


Question:
  Hello-
Thank you so much for providing great logic puzzles-- my kids really enjoy them. We downloaded the pdf file of "X2" and are wondering if there are solutions for these puzzles?

Thanks!
Jamie

Answer: 
Back in February, 2002, when our Logic Problems Monthly Interactive project just started, the idea was to provide our visitors with an interactive version of the grid-based logic puzzles online. We with our partner site PuzzlersParadise.com didn't consider the printable version to be included into the project, making it "purely" interactive. As the project evolved we discovered a lot of our visitors appreciated the idea to have both options - interactive and printable - included into the project. Thus, starting from the project's 2nd year the PDF printable version became the basic feature along with the interactive one.

In order to compensate the lack of the printable versions for the first 24 Logic Problems of the 1st year, we decided to produce two PDF puzzle packs:
Logic Problems 12 - a dozen of Logic Problems published at PuzzlersParadise.com in the 1st year of the project.
Logic Problems X2 - a dozen of Logic Problems published at our site in the 1st year of the project.

The links to both packs can be found here.

None of our PDF printable versions for Logic Problems includes the solutions. The same concerns both packs. Just like the solution to any Logic Problem can be found directly on its interactive page online, the solutions to all puzzles in those two packs can be found online while searching through the two pages (24 Logic Problems from the 1st year of the project):

www.puzzles.com/Projects/LogicProblemsPrevious.html
www.puzzles.com/Projects/LogicProblemsPrevious2.html

Finding the respective title from the packs on those two pages and clicking it, leads to its respective interactive version online - either at our site or at PuzzlersParadise.com. For each interactive version there is the Solution button right below the text with the clues. Clicking it reveals the respective solution.
Updated: May 30, 2009  |  Posted: April 27, 2009
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178 Hummingbird Jigsaw Puzzles
178  Hummingbird Jigsaw Puzzles
Question:  I tried on the Internet to see if I could find any either 500 or 1000 piece puzzles of Hummingbirds and could not bring up any picture of them to order.

Thank You,
Mirian M.

Answer:  Kritters in the Mailbox
carries a range of Hummingbird Jigsaw Puzzles, from 500 to 1000 pieces each.

The Puzzle Castle sells Audubon Ruby-Throated Hummingbird Jigsaw of 500 pieces at a very affordable price.

At SeriousPuzzles.com a whole "garden" of hummingbirds can be purchased as one 1000pc Jigsaw Puzzle.

StuffKidsLike.com proposes two Hummingbird Jigsaws at very competitive prices: Audubon Rufous Hummingbird Jigsaw Puzzle 500pc and Hummingbirds 500pc Jigsaw Puzzle.
Posted: February 16, 2009
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177  Latin Squares 4x4
177  Latin Squares 4x4
Question:  Hello,
I've got a KenKen question. For the 4x4 version, do you know how many different puzzles can be created?
In other words, how many non-identical arrangements of the digits 1, 2, 3, 4 can exist?
Thanks for any help you can give.
Bill.

Answer: 
This is a good question indeed! There are 576 Latin Squares of 4x4. More information on this can be found here.

At the end of 2008 our site in cooperation with Strimko.com launched a new puzzle concept based on Latin Squares - STRIMKO. It is a weekly interactive project. Each week three new STRIMKO challenges can be played at our site here and three other ones directly at Strimko.com.

Strimko.com
Posted: January 21, 2009
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176  What is the Greatest Amount of Pieces for a Jigsaw?
176  What is the Greatest Amount of Pieces for a Jigsaw?
Question:  HI THERE I WOULD LIKE TO KNOW IF YOU CAN PURCASE A PUZZLE WITH AT LEAST 50,000 PIECES. DO YOU THINK THAT IT IS POSSIBLE???? WHAT IS THE GREATEST AMOUNT OF PIECES THAT YOU HAVE TO SELL ??

Wayne B.

Answer: 
Unfortunately, our parent company ThinkFun doesn't carry jigsaw puzzles. At the same time the posed question what could be the upper limit in the number of pieces for a jigsaw puzzle is very interesting. If you have any ideas, please, drop us a line. Thank you!
Posted: July 19, 2008
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175  What's next: leave, plateau, remember... ?
175  What's next: leave, plateau, remember... ?
Question:  What is the next word in this list?
leave
plateau
remember
day
too

I can't answer this question it's really too hard!

Anfernee N.

Answer:
???
If you think you have an answer to this word riddle, please, drop us a line. Thank you!
Posted: July 19, 2008
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174  The Ring and the Chain Puzzle Trick
174  The Ring and the Chain Puzzle Trick
Idea:  Sir

I recently found a video demonstration of the ring and the chain puzzle. The web site address is mentioned below.
http://www.magicvideodepot.com/view.php?a=v&t=4157

The trick is done with both single and both hands. This trick is elegant and works on scientific principle.

Please be free in case you require any further information.

Card tricks using Binary system are quite common among puzzle and magic enthusiasts and professionals. I request you to publish such conceptual materials.

regards
Swamy

Comment:
Thank you very much for such a wonderful trick's tip!
Posted: June 14, 2008
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173  A Table Tennis Ball at the Bottom of the Hole
173  A Table Tennis Ball at the Bottom of the Hole
Question:  You are stuck in a room with no windows and no doors. There is a hole in the floor about a foot deep and just wider than the diameter of a table tennis ball. There is a table tennis ball at the bottom of the hole. You have a fork, a wrench and a long, thin plastic wire. How do you get the ball out of the hole?
Deepak K. G.

Answer: We would like to present this fun brainteaser to our visitors. Please, give it a try. The funniest thing about it is that how one can ever get into a room which has neither windows nor doors (?!). Think about this fact as a hint :). Anyway, if your are stuck in getting on the core, take a look here and click the "Show" button next to the "Spoiler for Solution:" Have fun!
Posted: June 14, 2008
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172  Matchstick Problem 88111
172  Matchstick Problem 88111
Question:  I AM SEARCHING FOR THE SOLUTION TO A MATCHSTICK PROBLEM...

THE PROBLEM...
MOVE 3 OF THE MATCHSTICKS FROM THE LEFT TO THE RIGHT SIDE OF THE EQUAL SIGN TO MAKE THE EQUALITY TRUE.

I AM NOT SURE HOW TO WRITE OUT THE PROBLEM FOR YOU ON THE COMPUTER, SO I WILL TYPE OUT THE EQUATION AND THEN EXPLAIN WHAT IT LOOKS LIKE.

88111=

EACH EIGHT IS 2 MATCHSTICKS HIGH AND 1 WIDE (USING 7 MATCHSTICKS)
THE ONES ARE MADE WITH 2 MATCHSTICKS.

IF YOU COULD HELP ME I WOULD GREATLY APPRECIATE IT!!!
OR IF YOU COULD TELL ME WHERE I MIGHT FIND A SOLUTION!!!

THANK YOU, REBECCA R.

Answer: Unfortunately, we weren't able to come up with the answer to this matchstick problem. Maybe you, our puzzle friends, could help us with this... Thank you!
Posted: May 3, 2008
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171  Six Squares and 9 Lines
171  Six Squares and 9 Lines
Question:  I am looking for a puzzle that has six squares and 9 lines. Another words you have to draw a line from each square to the other without crossing a line.

Do you know of this and possibly what it is called?

Shirden T.

Answer: We suspect this might be a related puzzle to the one which is sometimes referred to as Walls & Lines but honestly we are not quite sure.
Posted: May 3, 2008
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170  Unicursals: 2 Squares with Crosses & 1 Triangle
170  Unicursals: 2 Squares with Crosses & 1 Triangle
Question:  Dear puzzle people :)
For about 4 years - on and off - I've been trying to figure out how to trace - without repeating lines or lifting pencil off paper - the following figure: two squares - one on top of the other - with a cross in each, and a triangle on the very top. It's also been called a two-story house with a roof and two crosses. I've been told that there is at least one way of tracing this. I am completely stumped and I've given up... can you please give me the solution (if there is one)?
I must come across as very stupid - not being able to figure out a random puzzle... but oh well.

PS - I've attached a word document with a picture of what it's meant to look like... :)

Thanks for your time!

~ Véra Ada.

Answer: Unfortunately the pattern is impossible to draw. More explanations can be found in items #51 and #86. The theory explaining which patterns can be drawn in one continuous line and which can't, is at the solution page to The Unicursal Marathon puzzle.
Posted: April 5, 2008
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10-in-5-Rows
169  An Orchard of 10 fruit trees
Question: I came across this puzzle and am stumped.

A farmer wanted to start a small orchard and went to the nursery to purchase 10 fruit trees. The man at the nursery told him that if he could plant the trees in five rows with four trees in each row, he could have the trees at no charge.

Hopefully you can answer this for us. Thanks in advance.

Answer: Fortunately, we have this puzzle in our Puzzle Playground. It is called 10-in-5-Rows. There is also a link to solution in it.
Posted: May 2, 2008

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