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 Showing results 1 to 25 of 175 Search took 0.01 seconds. Search: Posts Made By: zenobia43
 03-23-2018, 05:11 PM Replies: 2 Views: 1,790 Posted By zenobia43 Your grid shows that SBC = Tuesday. Now... Your grid shows that SBC = Tuesday. Now restate clue 7 by substituting Tuesday for SBC and reverse the inequality so it is easier to compare to clue 1. 7. The show that aired on Tuesday had...
 12-29-2017, 04:24 AM Replies: 2 Views: 4,088 Posted By zenobia43 With that negative relation for \$40/Isaac already... With that negative relation for \$40/Isaac already in the grid, we know immediately that \$40 has to be paired with orange. Once that positive relation was established, normal transposing would fill...
 12-26-2017, 04:09 AM Replies: 32 Views: 129,989 Posted By zenobia43 According to this post,... According to this post, http://www.logic-puzzles.org/forum/showthread.php?p=4089#post4089, there is probably a missing negative relation. Using the suggested modification will lead to a solution.
 07-06-2017, 08:07 AM Replies: 4 Views: 4,994 Posted By zenobia43 If you have never solved a logic puzzle before,... If you have never solved a logic puzzle before, start with the 3x4 Easy puzzles. With only three categories and only four options in each category, the logic chains are relatively short - and after a...
 06-10-2017, 03:24 PM Replies: 2 Views: 4,031 Posted By zenobia43 This one is tricky because you have to do a... This one is tricky because you have to do a substitution in the third clue before the hint makes sense. Before the substitution: Clue 3: helmet -> yellow Clue 10 : orange -> flower ...
 05-04-2017, 08:13 AM Replies: 1 Views: 2,319 Posted By zenobia43 I put the position category on the left, and I... I put the position category on the left, and I put the distance as the last category on the right. I got the following solution. I'm not sure if it is unique, but it seems to satisfy the clues - as...
 04-04-2017, 05:12 PM Replies: 10 Views: 8,002 Posted By zenobia43 A trivial 3x3 puzzle Here is a trivial 3x3 puzzle built using the technique described in the previous posts. I started with the identity matrix in each of the upper 3x3 sub-grids, and labeled the columns the way I...
 04-04-2017, 09:05 AM Replies: 10 Views: 8,002 Posted By zenobia43 Puzzle construction Yes, and since you can permute the columns when you have found a suitable constraint set (the clues), then always start with the identity matrix (true relationships in a straight line from upper left...
 04-03-2017, 08:49 AM Replies: 10 Views: 8,002 Posted By zenobia43 More puzzle construction Terri - As in the previous post, one could start with a pleasing set of clues (the constraint set) and test for a unique solution. As uigrad mentioned, if the solution is not unique, one could...
 04-02-2017, 08:52 AM Replies: 10 Views: 8,002 Posted By zenobia43 Puzzle construction What a great question ! I'll give you my 2 cents worth. I'm sure someone will be kind enough to correct my math (logic) if I didn't get it right. It would be so great if one of our logic puzzle...
 03-23-2017, 06:00 AM Replies: 2 Views: 1,728 Posted By zenobia43 Suppose you had this clue: Of the essay... Suppose you had this clue: Of the essay written by Dr. Callahan and the one that was 10 pages long, one was about volcanos, and the other was in Chapter 4. And suppose from your grid you...
 03-07-2017, 07:32 AM Replies: 16 Views: 12,051 Posted By zenobia43 There is a great tutorial here:... There is a great tutorial here: http://logic-puzzles.org/how-to-solve-a-logic-puzzle.php, and it covers most of the techniques that you will need for the puzzles on this site. Many have asked how...
 02-22-2017, 03:30 AM Replies: 6 Views: 7,457 Posted By zenobia43 If the puzzle is one from the... If the puzzle is one from the https://www.geocaching.com site, could you post the geocache ID (e.g. GC3AM8C)?
 01-28-2017, 12:37 PM Replies: 15 Views: 15,187 Posted By zenobia43 The only tutorial I know of is the one provided... The only tutorial I know of is the one provided on this site, and the one we have been referencing in this thread. If you encounter a puzzle that stumps you, enjoy the moment, and then if you...
 01-26-2017, 07:39 AM Replies: 15 Views: 15,187 Posted By zenobia43 Sorry - I was one row off. Tuesday is the row... Sorry - I was one row off. Tuesday is the row that is common to earthquakes and magnetism. So that is the row that will always be occupied by either earthquakes or magnetism, forcing the remaining...
 01-25-2017, 03:48 PM Replies: 15 Views: 15,187 Posted By zenobia43 For the Music Store puzzle: The positive... For the Music Store puzzle: The positive relation from clue 6 can be substituted into clue 3 to deduce that Ricardo and \$13.99 can only be Third or Fifth. That will force First to be \$9.99. ...
 01-25-2017, 03:12 PM Replies: 15 Views: 15,187 Posted By zenobia43 For the Science Fair puzzle: Clue 3 says... For the Science Fair puzzle: Clue 3 says that Michigan and earthquake can only be Tuesday or Wednesday. So you can eliminate (X out) Monday, Thursday, and Friday for those options. That will...
 01-24-2017, 06:20 AM Replies: 15 Views: 15,187 Posted By zenobia43 Step 7 illustrates the transposition of false... Step 7 illustrates the transposition of false relationships. Step 8 introduces the positive relationship, pink == \$40 out of thin air just to set up the next illustration which shows how to...
 01-08-2017, 06:42 AM Replies: 2 Views: 9,524 Posted By zenobia43 I tried doing this puzzle with a grid, but that... I tried doing this puzzle with a grid, but that didn't help much. I got the following solution after assuming that the Mango was the other yellow fruit: 7 - R - Pomegranate 6 - U - Orange 5...
 12-06-2016, 05:06 AM Replies: 1 Views: 9,249 Posted By zenobia43 I got the same solution shown in your grid. I got the same solution shown in your grid.
 11-30-2016, 09:36 AM Replies: 12 Views: 12,362 Posted By zenobia43 I added witch and the pale pink color back and I... I added witch and the pale pink color back and I added baron and white to make a total of 13 characters and 13 colors. Here is the patterned version to make sure the constraints are met. 208 ...
 11-30-2016, 06:43 AM Replies: 12 Views: 12,362 Posted By zenobia43 I don't think square grids with an even number of... I don't think square grids with an even number of columns and rows can meet the three constraints. Try constructing a grid with two characters and two colors. I got rid of the witch character and...
 11-29-2016, 06:54 PM Replies: 12 Views: 12,362 Posted By zenobia43 Assuming the constraints mentioned earlier, I... Assuming the constraints mentioned earlier, I removed the orange assignments except for Mary and Jordan and tried to find an assignment for each color separately rather than trying to complete the...
 11-26-2016, 02:05 PM Replies: 1 Views: 4,510 Posted By zenobia43 We don't have much control over the points... We don't have much control over the points awarded unless we set a new record or place way to the right of the normal curve. Penalties add to the completion time which reduces the score, so if...
 11-26-2016, 12:23 PM Replies: 2 Views: 5,843 Posted By zenobia43 Both Yvonne and Carol didn't make a mistake on 11... Both Yvonne and Carol didn't make a mistake on 11 down. The category can be confusing because it is errors rather than correct answers.
 Showing results 1 to 25 of 175

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