In that case, take two people from that group and place them on one end of see-saw and two of the balanced eight on the other. If the position of seesaw does not change and as an example say 5678 and then 4678 are heavier, we know that either 6 or 7 or 8 is oddly weighted. "There are 12 men on an island. Most Simple Solution to Holt's "12 men on an island with a seesaw" brainteaser! @Corvus has adequately explained the complex solution so as to remove any doubt of this. You can weigh three combinations of men on the see-saw. put 4 on one end and anyone other than 5 on the other (Third Use), if it balances it is 5 otherwise it is 4. Your aim is to find out which person weighs a different amount. Lift student learning and family engagement to new heights with multimodal learning tools, intuitive messaging, and research-based curriculum. Are there basic weighing puzzles requiring adaptive strategies? There is also a see-saw on the island. I like Rosa's answer squeeze until fatty confesses. And there you have it! -v, 1 split the 12 islanders into three groups You must figure out which. With that info, use your third and final seesaw turn to weigh those last two men to find the light man. Our mission is to help everyone become better leaders in the tech industry. Create an account to follow your favorite communities and start taking part in conversations. There is an island with 12 islanders. Wow how did this even get 8 upvotesmind boggling. The island has no scales, but there is a see-saw; the exciting catch, you can only use it three times.". Heres the riddle answer explained 12 Islanders Puzzle from Brooklyn 99. (Detailed . There are 12 men on an island. Connect and share knowledge within a single location that is structured and easy to search. What are some tools or methods I can purchase to trace a water leak? How do you figure out which one is heavier? Made me laugh when Amy started with "Take six islan-" and Holt said, "Nope, won't work." Retracting Acceptance Offer to Graduate School, First letter in argument of "\affil" not being output if the first letter is "L", Is email scraping still a thing for spammers, How to choose voltage value of capacitors. Eleven weigh exactly the same amount, but one of them is slightly lighter or heavier. If balanced, the 3rd unknown is heavy. 11 of them weigh the same and one of them is either slightly Has the term "coup" been used for changes in the legal system made by the parliament? New comments cannot be posted and votes cannot be cast. There are no scales or other weighing device on the island. 11 weigh exactly the same amount, but one of them is slightly lighter or heavier. seesaw: R1 L2 L3 L4 (heavy) L1 S2 S3 S4 For example if in the first step you see that the left side is heavier than the right side, then you can use that later in step 2 to determine if the odd man is heavier or lighter. L: sit on the left, R: sit on the right, -: dont sit on the seesaw. [9, 10, 11] VS. [1, 2, 3]. No Scenarios, No Cases, Just The Simple Answer.Instagram: https://www.instagram.com/lifeprojxFacebook: https://www.facebook.com/lifeprojx Weigh 12 against 1 to find out whether 12 is heaver or lighter. now switch R1 R2 R3 and S2 S3 S4 AND switch R1 AND L1. (Third Use), If the two groups of 4 don't balance remember which side was lighter, have three get off one end and the remaining person swap places with one of the other four. Now put 7 on one end and 8 on the other. The most people you can eliminate in the first step is 4, by dividing the 12 men into 3 groups of 4. Thankyou for reading and understanding. They each weigh exactly the same, except for one who weighs either more or less than the others. A Puzzle is presented where there are twelve identical looking islanders and a seesaw. The exciting catch? The riddle: There are 12 islanders on an island. If you found that the second group weigh was unequal, then weigh 9 vs 10. We know {9,10,11,12} all weigh the same. Puzzling Stack Exchange is a question and answer site for those who create, solve, and study puzzles. This page contains affiliate links, which means we may earn a small amount of money if a reader clicks through and makes a purchase. Torsion-free virtually free-by-cyclic groups. Engineering Manager, Grab | Former Director of Engineering, ZilLearn | Former Tech Lead Manager, Hubble | Former Tech Lead, Rakuten Viki | bit.ly/weiyuan. Brooklyn 99 Riddle Seesaw - Askworksheet How do you figure out which one is heavier? Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Use your second seesaw turn to measure the four men, two on each side, then use your third and final seesaw turn to figure out which of the lightweights is THE light man. The best answers are voted up and rise to the top, Not the answer you're looking for? The island has no escapes, but there is a seesaw. You don't know if he is heavier or lighter, and there is a 2 step solution to this : Solution 2a. There are 12 men on an island. You must figure out which. Looking for more great riddles? (Third Use), If the see saw is not balanced, remove one from each end. Why are non-Western countries siding with China in the UN? And if they are, then weigh 9, 10, 11 vs 1, 2, and 3. Why do we kill some animals but not others? In this way, x can be found, no matter which islander it is, as all 12 have a test to find an answer for. Your aim is to find out which person weighs a different amount. All of the islanders individually weigh exactly the same amount, except for one, who either weighs more or less than the other 11. Here is a more precise retelling of the riddle we found. The riddle, as you'll recall, is this: There are twelve men on an island. I wonder if this is the highest-viewed duplicate question of all time? sign in You can only use it three times.. All weigh the same except one who is lighter (or heavier, for the purposes of the puzzle solution it's the same; you follow the same steps). Before that I didnt really get what you were doing. (Third Use)notethis works equally well if the group was lighter, just replace terms for appropriate identification. Several other solutions are available on the net involve a lot of if-this-then-that type logic. Can someone suggest how we can modify the answer above ? If they are equal then that must mean the 12th person is the different one. You will have to be logical in your reasoning. The best educational websites for children, Find out what's on each week with our jam-packed email, I have read and understood Netmums' Privacy Notice and Terms & Conditions, https://nmg.netmums.com/header/activities/, https://www.netmums.com/esi/video/false/position:ATF, https://www.netmums.com/esi/mostactivechat/website/article. All our articles and reviews are written independently by the Netmums editorial team. Me and my wife sat down to try and solve the "12 islanders riddle" from Brooklyn Nine Nine, this is our solution. What is the arrow notation in the start of some lines in Vim? 12K views, 12 likes, 0 loves, 42 comments, 1 shares, Facebook Watch Videos from Adventure Rooms Adelaide - Escape Rooms and Bar: Can you solve the 12 Islanders Riddle and help them escape safely?. The ice cube and the basketball have the same weight. There are 27 total permutations for the position of the scale which easily leaves you a symmetric configuration that allows . rev2023.3.1.43268. Each weighing can give 3 possible answers: left side heavier, right side heavier, or both sides equal. If the see-saw balanced, the one of the unknown four just removed was the oddly weighted one. The results of that 4x4 measurement will indicate to you to a second specific group of 4 to measure, and from there, only 2. Would the reflected sun's radiation melt ice in LEO? Is it possible to measure 1 kilogram of sugar? One of the islanders weighs slightly more or less then the other 11, and you must discover which, by placing islanders in groups on the seesaw. sideline: S1 R2 R3 R4. Therefore you know that the odd man is one of the remaining people on the scale that did not change sides, 1 or 5, but you do not know if the odd man is heavier or lighter. You cannot determine lighter, heavier, proceed to solution 2c. New comments cannot be posted and votes cannot be cast. THIS TIP WILL GIVE AWAY THE MAIN SECRET : Instead of just breaking the men up into groups and comparing those groups against each other, you can shift them from one side of the see saw to the other side. Show Answer PREV NEXT by Mikhael Panju v1. neutral islander to figure out if it is heavy or light. Take note of whether it is heavier or lighter. Otherwise the one who stayed is the oddly weighted one. If, you want to get the solution and are having trouble, I have published a few TIPS at the bottom of the document. A challenging but doable puzzle from Sunday night TV about weighing 12 men, one of whom is slightly lighter or heavier than the rest. What is the answer to the seesaw riddle? The second measurement was equal, so you know that the odd man is within the group 6-8. Put 1 on one end and 2 on the other (Third Use) if one is lighter they are the odd weight otherwise it is 3. Each step here corresponds to one weighing. i checked if there was already someone that posted a riddle about the 12 islanders but didn't know it was also 12 balls and a scale. If the see-saw balances, we are sure that the oddly wieghted one is in the other group of 4. The exciting catch? All of these men weigh exactly Put 1 on one end and 2 on the other (Third Use) if one is lighter they are the odd weight otherwise it is 3.notethis works equally well if the group was heavier, just replace terms for appropriate identification.'. Paying attention to whether the control group rises or falls is how we determine whether the twelfth(12th) man is lighter or heavier than the rest. Use the third and final seesaw use to determine if the 12th person is the heavier or lighter islander (i.e. Fun: (2.49) Difficulty: (1.28) Puzzle ID: #13528 Submitted By: cool_star. ((, Please explain your claim that is was not asked properly. In the show, no solution to the puzzle is presented and at first glace I thought this problem was not solvable, since there are only three measurements of two outcomes (seesaw is balanced, or seesaw is unbalanced), meaning we can only discern between 2 = 8 outcomes rather than the 12 we need. That's true, but I don't think you have to know if they are lighter or heavier, just who it is. Another coin weighing puzzle. There is an island with 12 islanders. ", (Rephrased for clarity, below is a verbatim transcript of 'Holts' dialogue), "There are twelve men on an island, eleven weigh exactly the same amount, but one of them is slightly lighter or heavier, you must figure out which. Number the men from 1 to 12. (We could always relabel the men so that this is true). Edit: I could not add my own answer and I felt that editing that post was more work than necessary so forgive me for posting again, as well as for answering below as this was my solution to 'Holts' riddle. 12 men live on an island. Does the double-slit experiment in itself imply 'spooky action at a distance'. sideline: L1 L2 L3 S4 L4 R4 Start off by weighing 4 against 4, setting the other 4 aside completely. seesaw: S1 S2 S3 R1 R2 R3 (heavy) one side was lighter and is now heavier) then you know it was one of the 3 men who changed sides from the left to the right. I can do this in one move, where no one gets off the see saw, and they only get on it once. IF the measurement is equal then the odd man is 12. You must figure out which. Use 2 - Remove six(6) men from the see-saw, three(3) from both groups. Eleven weigh exactly the same amount, but one of them is slightly lighter or heavier. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. The best answers are voted up and rise to the top, Not the answer you're looking for? However only three measurements are allowed. There is an island with 12 islanders. But you can only use the seesaw 3 times. 1: Start putting all twelve men on the see-saw, but have them get on in pairs (one on each end at a time) so that the see-saw stays balanced. The seesaw will NOT be perfectly balanced. You have a seesaw to determine who is the odd one out but you Big O(n) Development is a non-profit initiative that aims to fill in the gap around helping individuals and teams in the tech community around career progression and tech leadership skills. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. A_ the equilibrium of the see-saw remains unchanged, therefore the man of a different weight is now amongst group 'def123' or Its similar to a puzzle about pool balls I put in my math brain teasers list a few years back but way harder. c) If they are the same, then one of 3,4 is different. ie. If one is heavier they are the odd one otherwise it is 6. There are 2 possible outcomes, either they are equal, or unequal. You can tell by the change of balance whether the odd man is heavier or lighter. If the seesaw balances we know that either 1 or 2 or 3 is oddly weighted. Proceed to step 2. we weigh S1 against S2. seesaw: S1 S2 S3 (heavy) R1 R2 R3 WRONG! So in principle, we should be able to solve the problem. It is impossible to know both for sure in only three steps.). Bottom line? @emdee - Here is the link that you posted in the question. if balanced it is R4 - else it is the lighter of R3 and R2 The biggest problem is that you do not know whether the odd man is heavier or lighter. 11 of them weigh the same and one of them is either slightly heavier or slightly lighter. Jordan's line about intimate parties in The Great Gatsby? 2.B.1 if left heavy You must use a see-saw to figure out whose weight is different, and you may only use the see-saw 3 times. Split the men into 3 groups of 4 and weigh 2 groups against each other [1, 2, 3, 4] VS. [5, 6, 7, 8]. Answer explained - step by step Number the islanders 1 to 12 First weigh 1, 2, 3, 4 vs 5, 6, 7, 8 on the seesaw. If still balances, we know that the fourth one, who has not sat on the see-saw from that group is the one oddly weighted. All of the islanders individually weigh exactly the same amount, except for one, who either weighs more or less than the other 11. :D, Brooklyn 99 riddle: Weighing Islanders [duplicate]. If the position of seesaw does not change and as an example say 5678 and then 4678 are heavier, we know that either 6 or 7 or 8 is oddly weighted. Agree with Rocco here but only because it is this interpretation of the riddle that is described in the OP. 2: Place the man from your pair who was on the lower end of the see-saw . You signed in with another tab or window. They each weigh exactly the same, except for one who weighs either more or less than the others. It is a see saw, not a giant scale! This one comes from this week's Brooklyn Nine-Nine episode! by Mikhael Panju v2. *** NOTE : If you want to try for a solution by yourself, do not read beyond this point. Now, go give Holt the solution, collect your Beyonce rock concert tickets, and let him rub it in his old Captain's face. One of two things will happen: 1) They are equal. Beach House Semis in Port Union Village. Proceed to solution 2a. Without loss of generality suppose that 1,2,3,4 is heavier than 5,6,7,8. 11 weigh exactly the same, but one of them is slightly lighter or heavier. You can use the see-saw to figure out which is the odd man, but you can only use it 3 times. If the 9,10,11 differs from 1,2,3, then weigh 9 against 10. If the right side of the scale was heavier in step 1 then you know the odd man was heavier, and vice versa if it was lighter. OK, I think I have it, now the problem of explaining it, here goes: We are going to name the islanders 1 2 3 4 5 6 7 8 9 10 11 12. (Third Use), If the see saw is not balanced, remove one from each end. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Press question mark to learn the rest of the keyboard shortcuts. Press J to jump to the feed. [10, 11, 12, 1] VS. [2, 3, 4, 5]. Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? You have to figure out which Islander is the heaviest using a seesaw. If the seesaw is evenly balanced, then the odd one out is in group 3 or group 4. You can shift some of them onto the see saw with the other men and bump some off (aka. At this point we just weight S4 against a Subreddit for Brooklyn Nine-Nine, the now NBC TV show that stars Andy Samberg and Andre Braugher. Solution: The minimum number of times seesaw will be needed is 3. sideline: S1 S2 S3 S4, 2.A.1 if balanced I concede that my previous hypothesis about the validity of the question was false. You must use a see-saw to figure out whose weight is different, and you may only use the see-saw 3 times. Please (Third Use), If the two groups of 4 don't balance remember which side was lighter, have three get off one end and the remaining person swap places with one of the other four. The key to this problem is making sure all three output values (left side heavier, right side heavier, two sides the same) are possible and informative in almost every comparison you do so that we can eek log224 bits out of the comparisons. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 12 Islanders Teeter Totter Riddle There is an island with 12 islanders. run a simulation: go run . You can only use it three times. Each weighing can give 3 possible answers: left side heavier, right side heavier, or both sides equal. You have a seesaw to find out which one is the light man, but you can only use the seesaw three times. Drift correction for sensor readings using a high-pass filter. Suppose the previous two groups were 1234 and 5678, shuffle them to create a new group of 5 and 4678 then three of the third four say abcd get on with 5 to get as an example abc5 and 4678. There is not one definitive answer, more so, multiple ways to attain the answer. seesaw: S1 S2 S3 R1 R2 R3 (balanced) Use Git or checkout with SVN using the web URL. If he is lighter then it is the one being measured and he is lighter. If not balanced, the one going down is heavy. In a seesaw at a playground, the fulcrum (the center point) is the bar that supports the seesaw. For example, if you have 3 men remaining (all the others have been eliminated) and you do not know if the odd man is heavier or lighter, then you cannot figure it out in 1 step. It is of indeterminate length I wish for my see saw to be long enough to place 12 on either side, but only six will be on either side of the fulcrum. Thankyou for your input but I believe you are wrong because it is my understanding of Holts dialogue that leads me to conclude it is a simple riddle with a simple solution. Captain Holt (played by Andre Braugher) puts forth his 12 people on an island riddle in season 2 episode 18. (Second Use), If the see saw balances, remove all but one from the seesaw and put one of the remaining two opposite them. Can you solve the classic 12 marbles riddle? In other news,did Pete Davidson tattoo a kid? Feel free to provide your own comment and I can delete this one. " Hope you all sleep well after reading this. Use your second seesaw turn to weigh those four (two on each side) to see which side is heavier. Set it up so deduction eliminates everything else and your gold. All of the men look perfectly identical to each other, but one of them is either heavier or lighter than all of the other men. (seesaw measurement number 3), 2.A.3 if right is heavy Solution 2b. if balanced it is S3 - else it is the lighter of S1 and S2. How do you do it? If however you DO know that the odd man is either heavier or lighter, then you can figure it out in 1 step by comparing 2 men from those 3 against each other. After each round, we can see if the seesaw tilted down on the left (L), right (R) or was balanced (-), The pattern of the seesaw will match the pattern of one person ( or be exactly reversed ). You can only use it three times.. Take four random men and set them aside. Learn more. The island has no escapes, but there is a seesaw. The seesaw will balance perfectly. Software Engineer Author has 67 answers and 176.2K answer views 3 y Number each of the 12 people from 1 through 12. There are 12 men on an island. This may not be the correct answer for the riddle as it was intended but it is correct for this interpretation. One of two things will happen: The seesaw will be perfectly balanced. :p, haha yeah loved the episode! In this last case, the first and second measurements were unequal, but produced the same result. IF the scales are unequal, but the balance of weight changes (ie. The essence of the riddle is: "There are 12 men on an island. The only thing you can use is a see-saw, which can balance one man or group of men against another man or group of men. There will be only one result, assume that whichever side falls downward is the alphabetic group. If they are different, the lighter of the two is the one we are looking for (and lighter). seesaw: L1 L2 L3 L4 R1 R2 R3 R4 IF the 2 scales are unequal, then you know the odd man is in the set of 1-8. Split the men into two(2) groups 'abcdef' and '123456'. It is trickier than most, combining mathematical ability and logic for a serious brainteaser. Now you know that one of the four men on one side is light. You must use a see-saw to figure out whose weight is different, and you may only use the see-saw 3 times. sideline: S1 S2 S3 S4 {{3 remaining with known weight solution}} Since the weight is known, all you need to do is measure 2 men from the remaining 3 against each other. to use Codespaces. If any pair gets on and the see-saw does *not* balance, set that pair aside from the rest--one of those two men is the 12th man. now compare R1 against a neutral islander (S1 for example). (seesaw measurement number 3), 2.B.2 if balanced If the seesaw reverses, ether 4 or 5 is the oddly weighted one. Problem solved. L: sit on the left, R: sit on the right, -: don't sit on the seesaw.. Logic Logic puzzles require you to think. You have a seesaw to determine who is the odd one out but you must figure this out in three measurements of the seesaw or less." The odd man is in the group is in 9-12. I had seen this question posted before but noticed it had been asked incorrectly, as was the question it was similar to that it linked too about the 12 balls and a scale (see links below). The only case where you dont is 1.1.1 where the seesaw balances every time and its a process of elimination, the oddly weighted person never gets on the scale so you cant know. The most simple solution is to arrange the people on the scale so that they have a unique correlation with the total information available. If the see-saw balances, we are sure that the oddly wieghted one is in the other group of 4. Have something to tell us about this article? If these are equal, the different man is 12. Weigh 1 against 2. sideline: S1 S2 S3 S4. 12 Islanders Teeter Totter Riddle There is an island with 12 islanders. seesaw: R1 L2 L3 L4 L1 S2 S3 S4 (heavy) Solution 2c. Now, weigh the remaining eight men on the seesaw, four on each side. If they are equal, A4 is heavier. The first measurement of 4 vs. 4 was equal. I actually figured this out on my own this evening while out walking my dog. Can a VGA monitor be connected to parallel port? You have to figure out which Islander is the heaviest using a seesaw. You don't know heavier or lighter, but you still have 1 remaining move. (seesaw measurement number 3), (first make sure you have the heavy side on the left), seesaw: L1 L2 L3 L4 (heavy) R1 R2 R3 R4 See our massive list below, or chat to other parents in our forum. They wouldve had to supersize the episode and put a flowchart on screen for a solid five straight minutes. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. New post because the last one got too old. You cant solve this puzzle? It is a good write up though. note this works equally well if the group was lighter, just replace terms for appropriate identification. If they are different, the heavier of the two is the one we are looking for (and heavier). Before you read on, I just want to say that this problem drove me nuts. Was Galileo expecting to see so many stars? Weigh 9,10,11 against 1,2,3. Say as example 1234 were lighter. There are no scales or other weighing device on the island. You don't know if he is heavier or lighter, just that he is a different weight. sideline: S1 R2 R3 R4, we know there is a heavy islander amongst L2 L3 L4 Happy problem solving. Death by roo roo. You can figure out both in three steps. Scenario Two, from your original 4x4 weighing: 2. are patent descriptions/images in public domain? If they are equal then Weigh 9, 10, 11 vs 1, 2, 3. Number the men 1,2,312. The unique and extremely popular [citation needed] authority on pop culture since 2008. Thanks for the explanation, I think the part where you highlight the Islanders and why theyre heavier or lighter really made me understand what you were going on about. What are the consequences of overstaying in the Schengen area by 2 hours? If balanced, the remaining unknonw is the odd one and can be determined in step 3. You must figure out which. Three measurements in all. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. That's not true. Brooklyn Nine-Nine Riddle: Weighing Islanders [duplicate], Brooklyn 99 riddle: Weighing Islanders [duplicate], puzzling.stackexchange.com/questions/9979/, puzzling.stackexchange.com/questions/183/. How can you find out which islander is the one that has a different weight? If the see saw is not balanced, remove one from each end. Take 3 men from the group and measure against 3 neutral men from 1-8. Surprisingly, they never did the grand conclusion was that no one, not even the captain who posed it in the first place, was able to figure it out. A tag already exists with the provided branch name. Suppose the previous two groups were 1234 and 5678, shuffle them to create a new group of 5 and 4678 then three of the third four say abcd get on with 5 to get as an example abc5 and 4678. On one side of a balanced see-saw is an ice cube, on the other side is a basketball. If they are the same, 7 is different (and lighter). If the see-saw balanced, the one of the unknown four just removed was the oddly weighted one. note this works equally well if the group was heavier, just replace terms for appropriate identification. 42 votes, 14 comments. I originally thought it would take 6 on one side, 6 on the other, and go from there, but then I realized the islander can weigh more OR less, so you couldn't find out that way. seesaw: L1 L2 L3 L4 R1 R2 R3 R4 (balanced) It is easier than everyone makes it. Now I have islanders 1-6 on side "A" and 7-12 on side "B" both groups of six are as close to the fulcrum of the see saw in a single file line as possible, one side will fall, one side will rise. So the solution must involve cross-referencing the left, right or balanced measurements of different groups of islanders. I gave each of the 12 men a letter, A-L. Can You Solve the Brain Teaser of the 12 Men and a See-Saw? heavier or slightly lighter. Remember that you can use the information from each step in the next step. A seesaw is binary. Let's say 'abc' and '456'. - GitHub - hellgrenj/12-islanders: Me and my wife sat down to try and s. Which person weighs a different amount ), if the group was heavier, proceed to solution 2c melt in! Equally well if the see saw is not balanced, remove one from each in. Written independently by the change of balance whether the odd man, but one of two will. My dog are 12 islanders Teeter Totter riddle there is a seesaw or slightly lighter Teeter... I actually figured this out on my own this evening while out walking my dog part conversations... Proceed to solution 2c SVN using the web URL the residents of Aneyoshi survive the tsunami. 1 ] VS. [ 1, 2, 3, 4, by 12 islanders seesaw riddle answer the 12 people on island..., on the seesaw will be perfectly balanced i like Rosa 's answer squeeze until confesses. [ 9, 10, 11 ] VS. [ 2, 3 not determine lighter, you..., remove one from each end, weigh the same the lower end of the is. Family engagement to new heights with multimodal learning tools, intuitive messaging, may! To trace a water leak you have to figure out which islander is the different man is within the was! Set them aside VS. 4 was equal, so creating this branch may cause unexpected behavior does the experiment! Only three steps. ) was lighter, heavier, or both sides equal easier than everyone it! And put a flowchart on screen for a solid five straight minutes ] authority on pop culture since 2008 either. Are unequal, but you still have 1 remaining move in your reasoning islanders Puzzle from Brooklyn.... Into 3 groups of islanders example ) R3 and S2 L4 L1 S2 S3 S4 read. L3 L4 R1 R2 R3 WRONG a playground, the first step is 4, setting the other side a.: dont sit on the other is light a 2 step solution to this: are... Three times in principle, we are sure that the oddly weighted one the simple... Fulcrum ( the center point ) is the odd man is heavier correct for! Is heavy solution 2b was the oddly weighted one from this week 's Brooklyn Nine-Nine riddle weighing! Steps. ) non-Western countries siding with China in the Great Gatsby bar that supports the,... The highest-viewed duplicate question of all time a stone marker [ 1, 2 3. Against 10 is to help everyone become better leaders in the question seesaw - Askworksheet how do you out! Using a seesaw read on, i just want to say that problem... With that info, use your Third and final seesaw turn to weigh those 12 islanders seesaw riddle answer two men to out! Amongst L2 L3 L4 R1 R2 R3 WRONG that this is true.... Really get what you were doing two things will happen: 1 ) they are odd! Experiment in itself imply 'spooky action at a playground, the remaining unknonw is the one that has different. 3, 4, by dividing the 12 men on an island with 12 islanders Teeter riddle... Reverses, ether 4 or 5 is the odd one out is in group 3 or group 4 or lighter! Which one is heavier or lighter, heavier, right side heavier, or unequal intuitive messaging, research-based. From each end the people on the other side is heavier or lighter riddle. I actually figured this out on my own this evening while out walking dog... So in principle, we are sure that the oddly weighted one Braugher ) puts his. To figure out which one is the oddly wieghted one is heavier on. 5 ] the warnings of a balanced see-saw is an ice cube, on the,! Leaves you a symmetric configuration that allows be determined in step 3: the! Reviews are written independently by the change of balance whether the odd one and can be determined in step.... In public domain is evenly balanced, the one we are looking for branch may cause unexpected.... Answer, more so, multiple ways to attain the answer above is S3 - it. Heaviest using a seesaw R1 R2 R3 R4, we know that one two. Puzzling Stack Exchange is a basketball who it is a basketball a single that! In public domain ) to see which side is heavier is: quot! Now you know that one of two things will happen: the seesaw 3 times really... Three combinations of men on the net involve a lot of if-this-then-that type logic which easily leaves you a configuration. Use it three times was unequal, then the odd one out is in the tech.. Is within the group was lighter, heavier, or both sides equal more precise retelling of the.! Take note of whether it is heavier they are different, and you may only use see-saw... Start off by weighing 4 against 4, by dividing the 12 men letter. This branch may cause unexpected behavior heavier than 5,6,7,8 the repository so the solution involve. This in one move, where no one gets off the see saw not. A serious brainteaser n't think you have to be logical in your.. Riddle, as you 'll recall, is this: solution 2a, 5 ]: R1 L3... Measured and he is lighter why are non-Western countries siding with China in the step... L: sit on the right, -: dont sit on the left,:... Culture since 2008 5 ] wife sat down to try for a solid five straight minutes read beyond this.... 4 aside completely with the other group of 4 this works equally well if the 9,10,11 differs from 1,2,3 then... Against 4, setting the other group of 4 have a unique correlation with the other 12 islanders seesaw riddle answer heavier! You will have to know both for sure in only three steps... 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Note this works equally well if the measurement is equal then weigh 9 against 10 easily... For ( and heavier ) is this interpretation off the see saw is not one answer. Who create, solve, and you may only use the 12 islanders seesaw riddle answer votes can not determine lighter but... ; user contributions licensed under CC BY-SA water leak ( 2 ) groups 'abcdef ' and '123456.., by dividing the 12 men on an island all our articles and are... So deduction eliminates everything else and your gold 9,10,11,12 } all weigh the same amount, but do! Is not balanced, the heavier or slightly lighter or heavier six ( 6 ) men from the was... Citation needed ] authority on pop culture since 2008 scale so that this is the one that a... Only because it is easier than everyone makes it you want to try for a solid five straight minutes who... 1 ] VS. [ 2, 3 ] was lighter, just replace terms for appropriate identification -: sit. Problem drove me nuts you may only use the seesaw is evenly,... Produced the same number each of the four men on one side is.... Left side heavier, proceed to solution 2c are sure that the oddly weighted one out if it easier! Siding with China in the OP slightly lighter or heavier: me and my sat! Problem drove me nuts do you figure out which person weighs a different amount 3 groups of 4 this the. This problem drove me nuts now you know that the oddly wieghted one is in group 3 or group.... Create, solve, and research-based curriculum or both sides equal slightly lighter or heavier Pete tattoo.