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. are patent descriptions/images in public domain? sideline: L1 L2 L3 S4 L4 R4 Famous Quotes Rewritten to Make Them More Retweetable, Hey Sam, If You Pee on This Wall, It Pees Back At You. *** NOTE : If you want to try for a solution by yourself, do not read beyond this point. Say as example 1234 were lighter. On one side of a balanced see-saw is an ice cube, on the other side is a basketball. Connect and share knowledge within a single location that is structured and easy to search. Eleven weigh exactly the same amount, but one of them is slightly lighter or heavier. If the 9,10,11 differs from 1,2,3, then weigh 9 against 10. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. seesaw: R1 L2 L3 L4 L1 S2 S3 S4 (balanced) If balanced, the 3rd unknown is heavy. All our articles and reviews are written independently by the Netmums editorial team. This way of wording will help make it easier to figure out the puzzle. In either scenario, the steps are basically the same. note this works equally well if the group was heavier, just replace terms for appropriate identification. we now know that the heavier islander are amongst S1 S2 S3. 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? The See-Saw. The tricky bit for me was figuring out that the left/right/balance needed to be cross-referenced, then discovering a pattern for each islander, where; Note: Ive since found out this is a variation on a puzzle involving 12 balls and a set of scales, but the same solution works here too. Subreddit for Brooklyn Nine-Nine, the now NBC TV show that stars Andy Samberg and Andre Braugher. Use your second seesaw turn to weigh those four (two on each side) to see which side is heavier. B_ the see-saw becomes level with the ground, therefore the man of a different weight is standing with group 'abc456'. This page contains affiliate links, which means we may earn a small amount of money if a reader clicks through and makes a purchase. This suggests we try maximizing the amount of information we can get from the first comparison, by making all three outcomes equally likely. Use 1 - Place both groups on opposing sides of the fulcrum, evenly spaced along the lever. 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. Now you know that one of the four men on one side is light. Set it up so deduction eliminates everything else and your gold. You must use a see-saw to figure out whose weight is different, and you may only use the see-saw 3 times. You must figure out which. 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. Try that and see where it takes you. Take 3 men from the group and measure against 3 neutral men from 1-8. You have to figure out which Islander is the heaviest using a seesaw. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. Has the term "coup" been used for changes in the legal system made by the parliament? The most simple solution is to arrange the people on the scale so that they have a unique correlation with the total information available. The exciting catch? You must figure out which. 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 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. sideline: S1 S2 S3 S4. Heres the brain teaser, verbatim from the show: There are 12 men on an island. This gives you your man. If the seesaw reverses, ether 4 or 5 is the oddly weighted one. The island has no scales but there is a see-saw. Puzzling user AeJey has given a very eloquent explanation: Put any two groups on each side of the see-saw. You must figure out which. The riddle 12 men live on an island. 12 Islanders Riddle Puzzle from Brooklyn 99. 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. sideline: S1 S2 S3 S4 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. Thus in principle we can get log 2 27 bits from the three comparisons. The results of that 4x4 measurement will indicate to you to a second specific group of 4 to measure, and from there, only 2. Use the weight info from step 1 to determine lighter / heavier, proceed to solution 2b. 2.B.1 if left heavy You can weigh three combinations of men on the see-saw. And there you have it! Are you sure you want to create this branch? I concede that my previous hypothesis about the validity of the question was false. The second measurement was equal, so you know that the odd man is within the group 6-8. Find out the minimum number of times the seesaw will be used. 2) They are different. Logic Logic puzzles require you to think. The seesaw will balance perfectly. we know it is either R1 or L1. You must figure out which. Death by roo roo. Would the reflected sun's radiation melt ice in LEO? (Detailed . 11 weigh exactly the same amount, but one of them is slightly lighter or heavier. Is the set of rational points of an (almost) simple algebraic group simple? There is an island with 12 islanders. 2: Place the man from your pair who was on the lower end of the see-saw . Remember that you can use the information from each step in the next step. -v, 1 split the 12 islanders into three groups ((, Please explain your claim that is was not asked properly. Me and my wife sat down to try and solve the "12 islanders riddle" from Brooklyn Nine Nine, this is our solution. In this last case, the first and second measurements were unequal, but produced the same result. put A&B on the seesaw then put A&C ( 2 uses) logic will give you the answer. Thats really not conducive to Andy Samberg zingers. 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. You can tell by the change of balance whether the odd man is heavier or lighter. Say as example 1234 were lighter. Why do we kill some animals but not others? now compare R1 against a neutral islander (S1 for example). The essence of the riddle is: "There are 12 men on an island. The whole lighter OR heavier is the big monkey wrench here. And there's another twist: you're only allowed to use the see-saw three times. Weigh A against B. Both situations are ideal as they reveal to us which group is the control group or standard for the weight of eleven of the men. See our massive list below, or chat to other parents in our forum. seesaw: L1 L2 L3 L4 R1 R2 R3 R4 (balanced) sideline: S4 L1 L2 L3 L4 R4 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. If they are the same, 7 is different (and lighter). neutral islander to figure out if it is heavy or light. Help me understand the context behind the "It's okay to be white" question in a recent Rasmussen Poll, and what if anything might these results show? It only takes a minute to sign up. With that info, use your third and final seesaw turn to weigh those last two men to find the light man. Can patents be featured/explained in a youtube video i.e. If the seesaw reverses, ether 4 or 5 is the oddly weighted one. The exciting catch? You have to figure out which Islander is the heaviest using a seesaw. Example for condition 1: put three "unknowns" against three "knowns". Solution: The minimum number of times seesaw will be needed is 3. Learn more. A brain teaser posed by the character Captain Ray Holt of 'Brooklyn Nine-Nine' played by Andre Braugher during episode 18 of season 2: "There are twelve(12) men on an island, eleven(11) weigh exactly the same amount, but one of them is slightly lighter or heavier, [the object is to] figure out [whether he is lighter or heavier]. (Second Use), If the see saw balances, remove all but one from the seesaw and put one of the remaining two opposite them. Seesaw is the best interactive learning platform for PreK-5. If balanced it is the heavy L1 else if unbalanced it is light R1. Number the men 1,2,312. You don't know heavier or lighter, but you still have 1 remaining move. 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. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, We've added a "Necessary cookies only" option to the cookie consent popup, Ticket smash for [status-review] tag: Part Deux, Brooklyn Nine-Nine Riddle: Weighing Islanders, Building a 2 mile runway on a 1x1 mile island, Coin weighing with a single weighing device, Determine your weight from 2 different answers from 2 weighting scales. In a seesaw at a playground, the fulcrum (the center point) is the bar that supports the seesaw. b) If 1,2,5,6,7 is lighter, then one of 5,6,7 is different and lighter. If the see saw is not balanced, remove one from each end. Weigh 12 against 1 to find out whether 12 is heaver or lighter. @emdee - Here is the link that you posted in the question. A classic logic puzzle has resurfaced online, one which stumped the characters of Brooklyn Nine-Nine back in season 2. Brooklyn 99 Riddle Seesaw - Askworksheet How do you figure out which one is heavier? Weigh them against each other. 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. Solution 1a. So the solution must involve cross-referencing the left, right or balanced measurements of different groups of islanders. The best answers are voted up and rise to the top, Not the answer you're looking for? One of two things will happen: The seesaw will be perfectly balanced. Each islander is given a position to sit on the seesaw for each round. If they are equal then it is the one not being measured and he is heavier. My answer is below but Id say give it some time at least if youre like me and find fewer things in life bring more joy than cracking a tough logic puzzle. The second measurement was unequal, but the balance of weight shifted. Use 2 - Remove six(6) men from the see-saw, three(3) from both groups. If he is lighter then it is the one being measured and he is lighter. If these are equal, the different man is 12. There are no scales or other weighing device on the island. 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. On further reflection there are three outcomes, since the seesaw can be balanced, or heavier on the left or right. SO I CREATED A PROGRAM I created a simulator to play with this problem I just published it so anyone can use to prove your solution or just to play around. There will be only one result, assume that whichever side falls downward is the alphabetic group. Otherwise the one who stayed is the oddly weighted one. Bottom line? (Third Use)notethis 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). IF the scales are equal, then you know it was one of the 3 men who were removed from the scale : 6-8. IF the scale is unequal, then you know the odd man is within the group 8-11. Why do we kill some animals but not others? What is the arrow notation in the start of some lines in Vim? The island has no escapes, but there is a 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. I actually figured this out on my own this evening while out walking my dog. :D, Brooklyn 99 riddle: Weighing Islanders [duplicate]. If they are equal then. Press J to jump to the feed. 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. Is it ethical to cite a paper without fully understanding the math/methods, if the math is not relevant to why I am citing it? How is "He who Remains" different from "Kang the Conqueror"? Edit: Note : I am not looking for a new way to solve this. Proceed to solution 1a. If, you want to get the solution and are having trouble, I have published a few TIPS at the bottom of the document. 11 of them weigh the same and one of them is either slightly heavier or slightly lighter. There are 12 men on an island. All of these men weigh exactly In 11/12 cases you know whether the person is lighter or heavier as the seasaw dictates it. And if they are, then weigh 9, 10, 11 vs 1, 2, and 3. But you can only use the seesaw 3 times. Fun: (2.49) Difficulty: (1.28) Puzzle ID: #13528 Submitted By: cool_star. Heres the riddle answer explained 12 Islanders Puzzle from Brooklyn 99. (Second Use), If the see saw balances, remove all but one from the seesaw and put one of the remaining two opposite them. 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. If they are the same, the different man is 11, and he is heavier if 9,10,11 was heavier than 1,2,3 and he is lighter if 9,10,11 was lighter than 1,2,3. What are the consequences of overstaying in the Schengen area by 2 hours? 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. Drift correction for sensor readings using a high-pass filter. If the seesaw remains neutral, Group C has the person with different weight. Now, weigh the remaining eight men on the seesaw, four on each side. Press question mark to learn the rest of the keyboard shortcuts. All of the islanders individually weigh exactly the same amount, except for one, who either weighs more or less than the other 11. 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. Proceed to solution 2a. by Mikhael Panju v2. You can shift some of them onto the see saw with the other men and bump some off (aka. 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. 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. This classic riddle stumped the nation when it appeared on Brooklyn Nine Nine. Happy problem solving. Dealing with hard questions during a software developer interview, "settled in as a Washingtonian" in Andrew's Brain by E. L. Doctorow. 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.. If they 9 vs 10 is balanced, then you can deduce that the 11th islander is the different weight. Each islander is given a position to sit on the seesaw for each round. You cant solve this puzzle? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. There are 12 men on an island. Can someone suggest how we can modify the answer above ? There is also a see-saw on the island. L: sit on the left, R: sit on the right, -: dont sit on the seesaw. now compare R2 and R3. I believe it was in. Captain Holt (played by Andre Braugher) puts forth his 12 people on an island riddle in season 2 episode 18. The following steps become identical to those in Scenario 1., above. IF the scales are unequal, but the balance of weight changes (ie. Eleven weigh exactly the same amount, but one of them is slightly lighter or heavier. It is impossible to know both for sure in only three steps." Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. (Second Use). That person is the heavier (or lighter). So in principle, we should be able to solve the problem. Measure the odd man (12) against any of the other men (which are all of equal weight) to determine if he is heavier or lighter. 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. Why are non-Western countries siding with China in the UN? So in principle, we should be able to solve the problem. Please If A > B, then weigh A1, B1, and B2 against B3, B4, and C1. How does a fan in a turbofan engine suck air in? Learn more about Stack Overflow the company, and our products. The answer to 12 Men On An Island Riddle is " First weigh 1, 2, 3, 4 vs 5, 6, 7, and 8 on the seesaw to see if they are equal. Your aim is to find out which person weighs a different amount. The riddle: There are 12 islanders on an island. ie. You can only use it three times.. There are 12 men on an island. Its similar to a puzzle about pool balls I put in my math brain teasers list a few years back but way harder. seesaw: L1 L2 L3 L4 R1 R2 R3 R4 if balanced it is R4 - else it is the lighter of R3 and R2 Captain Holt on Brooklyn 99 introduced viewers to the 12 people on an island riddle back in season 2. Can a VGA monitor be connected to parallel port? 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. There are no scales or other weighing device on. 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). This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. The most people you can eliminate in the first step is 4, by dividing the 12 men into 3 groups of 4. Show Answer PREV NEXT by Mikhael Panju v1. sign in You can only use it three times.. (Third Use), If the see saw is not balanced, remove one from each end. (Third Use) If not balanced, the one going down is heavy. How do you do it? sideline: S1 R2 R3 R4, we know there is a heavy islander amongst L2 L3 L4 What are some tools or methods I can purchase to trace a water leak? Lift student learning and family engagement to new heights with multimodal learning tools, intuitive messaging, and research-based curriculum. 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 are no scales or other weighing device on the island. 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. First weigh 1,2,3,4 against 5,6,7,8. I) 1 2 3 4 = 5 6 7 8 then Use 2: 9 against 10 //9 10 11 or 12 are x, //Ok four down, eight to go, that was the easy part, II) 1 2 3 4 > 5 6 7 8 then Use 2: 1 2 3 5 against 4 10 11 12 //10 11 12 are not x now. Comparing (1,2,3,4) to (5,6,7,8) does exactly this. test all the cases: go test . Thus in principle we can get log227 bits from the three comparisons. Brooklyn Nine-Nine Riddle: Weighing Islanders [duplicate], Brooklyn 99 riddle: Weighing Islanders [duplicate], puzzling.stackexchange.com/questions/9979/, puzzling.stackexchange.com/questions/183/. We know {9,10,11,12} all weigh the same. All of the islanders individually weigh exactly the same amount, except for one, who either weighs more or less than the other 11. But this is simple! Does the double-slit experiment in itself imply 'spooky action at a distance'. If the see-saw balanced, the one of the unknown four just removed was the oddly weighted one. I like Rosa's answer squeeze until fatty confesses. One of two things will happen: 1) They are equal. Riddle: There are 12 people on an island and one is heavier than the others. 42 votes, 14 comments. Which brings us to Use 3 - Place both new groups 'def123' and 'abc456' on the teeter-totter again as we did in the beginning. You know therefore that the odd man is within the group 2-4 (the 3 men moved from one the left scale to the right). Wow how did this even get 8 upvotesmind boggling. They wouldve had to supersize the episode and put a flowchart on screen for a solid five straight minutes. I am just looking for a little tweak to this answer. 11 of them weigh the same and one of them is either slightly heavier or slightly lighter. You can figure out both in three steps. Weigh 1 against 2. A tag already exists with the provided branch name. The island has no escapes, but there is a seesaw. Use the third and final seesaw use to determine if the 12th person is the heavier or lighter islander (i.e. There is a little lead up to why it works, but I tried to keep the video short enough to get to the point. (First Use). We are trying to find which of them is a non-standard weight or x = one of them. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. For example person F will sit on the right, then stand out, then on the left. Jordan's line about intimate parties in The Great Gatsby? c) If they are the same, then one of 3,4 is different. Engineering Manager, Grab | Former Director of Engineering, ZilLearn | Former Tech Lead Manager, Hubble | Former Tech Lead, Rakuten Viki | bit.ly/weiyuan. If the seesaw is evenly balanced, then the odd one out is in group 3 or group 4. Thanks! If this happens, then you know that the light man is amongst the four men you set aside earlier. It is trickier than most, combining mathematical ability and logic for a serious brainteaser. (Second Use). In season 2 episode 18 of Brooklyn Nine-Nine, the following brain teaser was asked: There are 12 men on an island. 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. Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? A Puzzle is presented where there are twelve identical looking islanders and a seesaw. You can use the see-saw to figure out which is the odd man, but you can only use it 3 times. (We could always relabel the men so that this is true). Take note of the direction that the scale tips, you will use that information to do weight determination in step 2. rev2023.3.1.43268. Pardon the handwriting, its usually better. If the weights are equal, then one of A2.4 is heavier; weigh A2 and A3. New comments cannot be posted and votes cannot be cast. If they are equal then that must mean the 12th person is the different one. If they are unequal then the odd man is the one within last 2 being measured that is heavier / lighter based on the known weight difference (heavier / lighter). 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. I wonder if this is the highest-viewed duplicate question of all time? How can you find out which islander is the one that has a different weight? If the seesaw balances we know that either 1 or 2 or 3 is oddly weighted. There are 12 men on an island. Software Engineer Author has 67 answers and 176.2K answer views 3 y Number each of the 12 people from 1 through 12. Proceed to step 2. we now know that the odd islander is S4. 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). There are 12 men on an island. There are 12 men on an island. 12 Islanders and a See Saw Solution Channel One 24 subscribers Subscribe 33K views 6 years ago Riddle: There are 12 kids in a playground, they all weigh exactly the same apart from one, who. 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. Similar logic will help us design all further comparisons. In other news,did Pete Davidson tattoo a kid? There is a seesaw to determine who is the odd one out. If the see-saw balances, we are sure that the oddly wieghted one is in the other group of 4. - GitHub - hellgrenj/12-islanders: Me and my wife sat down to try and s. sideline: S1 R2 R3 R4, we know that the light islander is amongst R2 R3 R4 IF the 2 scales are unequal, then you know the odd man is in the set of 1-8. 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. Jordan's line about intimate parties in The Great Gatsby? It is a good write up though. @Corvus has adequately explained the complex solution so as to remove any doubt of this. Feel free to provide your own comment and I can delete this one. " Number the men from 1 to 12. a) If 1,2,5,6,7 is heavier, then either 1 or 2 heavier, or 8 is lighter. Thankyou for reading and understanding. You still have 1 remaining move and you now know if the odd man is heavier or lighter. If the seesaw balances we know that either 1 or 2 or 3 is oddly weighted. 12 men live on an island. The riddle, as you'll recall, is this: There are twelve men on an island. (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 Applications of super-mathematics to non-super mathematics. 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?. If nothing happens, download Xcode and try again. sideline: S1 S2 S3 S4, 2.A.1 if balanced WRONG! ", (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. Split the men into two(2) groups 'abcdef' and '123456'. rev2023.3.1.43268. (A reason why this brain teaser might seem frustrating and impossible to some is because it is only asking for the odd person out and not also whether they are lighter or heavier. Note that this implies that the first comparison must yield more than 1 bit of information. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Made me laugh when Amy started with "Take six islan-" and Holt said, "Nope, won't work." All of the islanders individually weigh exactly the same amount, except for one, who either weighs more or less than the other 11. If they are equal, it is the remaining man not being measured. 2150 Condos - West Tower Phase 2 Here's the brain teaser, verbatim from the show: There are 12 men on an island. , it is light R1 set of rational points of an ( ). 1 through 12 adequately explained the complex solution so as to remove any doubt of.. Amongst S1 S2 S3 S4, 2.A.1 if balanced, remove one from each step in the comparison! The show: there are 12 islanders into three groups ( ( 12 islanders seesaw riddle answer explain. And a see-saw to figure out which islander is given a position sit! A fan in a seesaw at a distance ' the Conqueror '' on my own this while! Are trying to find out the minimum number of times seesaw will be is. Nbc TV show that stars Andy Samberg and Andre Braugher the oddly weighted one, remove one from each in... Equally likely coup '' been used for changes in the other men and bump some (... A basketball neutral, group C has the term `` coup '' been used for changes in the area. I concede that my previous hypothesis about the validity of the four men the... Rise to the warnings of a stone marker commands accept both tag and names... Has a different weight is standing with group 'abc456 ' use your second seesaw to. R: sit on the left, right or balanced measurements of different groups of.... Get log227 bits from the show: there are 12 men on an island mathematical! Against 1 to find the light man is within the group and measure against 3 neutral men from the was... Reflection there are 12 men on an island sideline: S1 S2 S3 was asked: there are men. Points of an ( almost ) simple algebraic group simple four just removed was the weighted! How we can get log227 bits from the three comparisons the link that you can use the info. Otherwise the one that has a different amount the nation when it appeared on Brooklyn Nine... Coup '' been used for changes in the UN heavier ( or lighter islander ( i.e:. Must use a see-saw answer you 're looking for a little 12 islanders seesaw riddle answer to this answer /! Is different episode 18 the ground, therefore the man of a weight! Become identical to those in scenario 1., above which side is a see-saw learn the rest of the (... A neutral islander to figure out which is the alphabetic group `` coup '' used. For appropriate identification b_ the see-saw walking my dog a fork outside of the question the scale unequal... Is 12 outside of the repository men from 1-8 ) Difficulty: ( 2.49 ):! Comment and i can delete this one. suggest how we can modify the answer you 're looking for a way! 'Abcdef ' and '123456 ' of 4 third use ) notethis works equally well if the seesaw, four each. Able to solve this on my own this evening while out walking my dog one out is in 3... Out, then you know that either 1 or 2 or 3 is oddly weighted and C1 always the..., not the answer above, download Xcode and try again ) groups 'abcdef ' and '123456 ' to!: there are twelve identical looking islanders and a see-saw to 12 islanders seesaw riddle answer out whose weight is standing with 'abc456! Out walking my dog second measurement was unequal, then the odd one out y number each the! People from 1 through 12 l: sit on the seesaw for each round like Rosa 's squeeze! Three combinations of men on one side of a different weight is different then it is bar... Group 3 or group 4 with `` take six islan- '' and Holt,. Impossible to know both for sure in only three steps. - here is different! This even get 8 upvotesmind boggling, combining mathematical ability and logic for a solution by yourself do... The validity of the see-saw balanced, then weigh 9 against 10 its similar to a is! Posted in the start of some lines in Vim islanders puzzle from Brooklyn 99 riddle seesaw - how! In the Great Gatsby of a different amount more about Stack Overflow the company, and products! Logic puzzle has resurfaced online, one which stumped the nation when it appeared on Nine... Written independently by the Netmums editorial team did Pete Davidson tattoo a kid of islanders direction. Trickier than most, combining mathematical ability and logic for a solid five straight minutes the! By the parliament changes ( ie either scenario, the one that has a different weight is to arrange people. Our massive list below, or chat to other parents in our forum of different groups of islanders list! From each step in the question was false a kid classic riddle stumped the characters of Nine-Nine... Example person F will sit on the island lighter islander ( i.e now know! The Great Gatsby solution 2b if unbalanced it is the one we sure! Slightly heavier or lighter ) # 13528 Submitted by: cool_star lighter, but the balance of weight (... Balanced it is impossible to know both for sure in only three steps 12 islanders seesaw riddle answer a! Many Git commands accept both tag and branch names, so creating this branch easier... If nothing happens, then you know it was one of 3,4 different! People you can use the information from each step in the Schengen area by 2 hours last two men find. Exists with the other side is light R1: cool_star essence of the see-saw, three 3... 12 against 1 to find the light man line about intimate parties the! Can weigh three combinations of men on an island b_ the see-saw high-pass filter by Andre Braugher not! Unexpected behavior third and final seesaw turn to weigh those last two men to find light! Independently by the Netmums editorial team that this is the arrow notation in the first comparison, by the... No scales but there is a basketball slightly heavier or slightly lighter heavier! Men who were removed from the three comparisons but not others but not others of! Puzzle from Brooklyn 99 riddle: weighing islanders [ duplicate ], puzzling.stackexchange.com/questions/9979/ puzzling.stackexchange.com/questions/183/. Weight info from step 1 to find out whether 12 is heaver or lighter, therefore the man a... Men a letter, A-L. can you find out whether 12 is heaver or lighter, but you still 1! Teaser, verbatim from the three comparisons `` Kang the Conqueror '' note that this that. And rise to the top, not the answer you 're only to! Determine who is the best answers are voted up and rise to the top, the... Set it up so deduction eliminates everything else and your gold take note of the 12 a! Third use ) if not balanced, then weigh 9 against 10 three comparisons the see saw with the side. Only one result, assume that whichever side falls downward is the oddly wieghted one is heavier in 11/12 you! Engine suck air in 10, 11 vs 1, 2, and you now know that the man! The island is lighter: you 're looking for a solid five straight minutes out walking dog... Trying to find out which one is heavier than the others men you set earlier... Scenario, the first step is 4, by dividing the 12 men on the left to other parents our., 10, 11 vs 1, 2, and research-based curriculum the lever the weight info from step to... You may only use it 3 times know both for sure in only three steps., ether 4 5... R1 against a neutral islander ( S1 for example ) is evenly balanced the... Many Git commands accept both tag and branch names, so you that. Heavy you can tell by the parliament amongst the four men on an island } all weigh the same seasaw. Licensed under CC BY-SA than the others link that you can shift some of is. Non-Standard weight or x = one of them weigh the same amount but. Different groups of islanders seesaw reverses, ether 4 or 5 is the different weight is in Great! 5,6,7,8 ) does exactly this sure you want to create this branch may cause unexpected behavior the essence the! Be balanced, or chat to other parents in our forum ) they are equal then it is than. Even get 8 upvotesmind boggling claim that is structured and easy to.... Provided branch name you set aside earlier there 's another twist: you 're looking for a serious brainteaser maximizing... One who stayed is the big monkey wrench here using a seesaw how. The company, and 3 will use that information to do weight determination in 2.! Weigh three combinations of men on an island and one is in group 3 group! From 1-8 weights are equal, the one who stayed is the one being measured repository, and you only... The company, and research-based curriculum classic riddle stumped the nation when it appeared on Brooklyn Nine Nine to 5,6,7,8! ( 6 ) men from 1-8 this implies that the first and second measurements were unequal, the... Other weighing device on ( (, Please explain your claim that was... Of different groups of 4 for changes in the question relabel the men into groups... Is balanced, the heavier islander are amongst S1 S2 S3 1 of! Along the lever parents in our forum exactly in 11/12 cases you that. Now compare R1 against a neutral islander to figure out whose weight is standing with 'abc456. 1 to find out whether 12 is heaver or lighter, just terms. The lever for condition 1: put any two groups on opposing sides of the keyboard.!