12 islanders seesaw riddle answer

note this works equally well if the group was lighter, just replace terms for appropriate identification. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. 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. Torsion-free virtually free-by-cyclic groups. Death by roo roo. The answer isnt TV friendly. 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. So in principle, we should be able to solve the problem. The exciting catch? It only takes a minute to sign up. What are some tools or methods I can purchase to trace a water leak? If these are equal, the different man is 12. You must use a see-saw to figure out whose weight is different, and you may only use the see-saw 3 times. What are the consequences of overstaying in the Schengen area by 2 hours? 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. Is the set of rational points of an (almost) simple algebraic group simple? Use 2 - Remove six(6) men from the see-saw, three(3) from both groups. 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. 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. Now you know that one of the four men on one side is light. 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. Why do we kill some animals but not others? we know it is either R1 or L1. Solution 2b. We know {9,10,11,12} all weigh the same. Proceed to solution 1a. Problem solved. Captain Holt on Brooklyn 99 introduced viewers to the 12 people on an island riddle back in season 2. Feel free to provide your own comment and I can delete this one. " I wonder if this is the highest-viewed duplicate question of all time? There is an island with 12 islanders. IF the measurement is equal then the odd man is 12. Solution 2c. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 2: Place the man from your pair who was on the lower end of the see-saw . Let's say 'abc' and '456'. ", (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. If the weights are equal, then one of A2.4 is heavier; weigh A2 and A3. The second measurement was unequal, but the balance of weight shifted. If the seesaw reverses, ether 4 or 5 is the oddly weighted one. Thankyou for reading and understanding. Thus in principle we can get log 2 27 bits from the three comparisons. Another coin weighing puzzle. And if they are also equal then that would mean that the 12th person weighs different. Most Simple Solution to Holt's "12 men on an island with a seesaw" brainteaser! If they are equal then. Take 3 men from the group and measure against 3 neutral men from 1-8. The seesaw will NOT be perfectly balanced. 12 Islanders Teeter Totter Riddle There is an island with 12 islanders. 11 weigh exactly the same amount, but one of them is slightly lighter or heavier. SPOILER ALERT! There are 24 possible situations (the different man can be any of 1-12, and he can be heavier or lighter). Take note of the direction that the scale tips, you will use that information to do weight determination in step 2. You must figure out which. You can use the see-saw to figure out which is the odd man, but you can only use it 3 times. It will halve 8 unknowns on the first balance, four on the second and two on the third. 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. Use your second seesaw turn to weigh those four (two on each side) to see which side is heavier. 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. If one is heavier they are the odd one otherwise it is 6. I am just looking for a little tweak to this answer. In a seesaw at a playground, the fulcrum (the center point) is the bar that supports the seesaw. But you can only use the seesaw 3 times. If they are equal then that must mean the 12th person is the different one. If the see saw is not balanced, remove one from each end. 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. seesaw: R1 L2 L3 L4 (heavy) L1 S2 S3 S4 However only three measurements are allowed. 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. Thats really not conducive to Andy Samberg zingers. All of the islanders individually weigh exactly the same amount, except for one, who either weighs more or less than the other 11. Press J to jump to the feed. What is the arrow notation in the start of some lines in Vim? The side that rises will "scootch" down the length of the see saw, away from the fulcrum until both sides balance. A classic logic puzzle has resurfaced online, one which stumped the characters of Brooklyn Nine-Nine back in season 2. Is there a way to only permit open-source mods for my video game to stop plagiarism or at least enforce proper attribution? 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. (Third Use), If the see saw is not balanced, remove one from each end. They wouldve had to supersize the episode and put a flowchart on screen for a solid five straight minutes. Thanks! If he is lighter then it is the one being measured and he is lighter. This gives you your man. Proceed to solution 2a. Dealing with hard questions during a software developer interview, "settled in as a Washingtonian" in Andrew's Brain by E. L. Doctorow. There are 27 total permutations for the position of the scale which easily leaves you a symmetric configuration that allows you to determine which person it is and whether they are heavy or light every time. L: sit on the left, R: sit on the right, -: don't sit on the seesaw.. There are 12 men on an island. -v, 1 split the 12 islanders into three groups 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. I like Rosa's answer squeeze until fatty confesses. You must figure out which. (We could always relabel the men so that this is true). Happy problem solving. That person is the heavier (or lighter). The answer to the" 12 people on an island " riddle is weigh 6 on one side and 6 on the other side. note this works equally well if the group was heavier, just replace terms for appropriate identification. Note that this implies that the first comparison must yield more than 1 bit of information. See our massive list below, or chat to other parents in our forum. seesaw: S1 S2 S3 (heavy) R1 R2 R3 by Mikhael Panju v2. Work fast with our official CLI. sideline: S1 S2 S3 S4 New comments cannot be posted and votes cannot be cast. 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? 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. 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?. (seesaw measurement number 3). There are no scales or other weighing device on. Heres the brain teaser, verbatim from the show: There are 12 men on an island. if balanced it is R4 - else it is the lighter of R3 and R2 In step 3 place one unknown on each side. 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. 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. Does the double-slit experiment in itself imply 'spooky action at a distance'. 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. You have to figure out which Islander is the heaviest using a seesaw. PTIJ Should we be afraid of Artificial Intelligence? This classic riddle stumped the nation when it appeared on Brooklyn Nine Nine. 11 weigh exactly the same, but one of them is slightly lighter or heavier. Hope you all sleep well after reading this. I concede that my previous hypothesis about the validity of the question was false. i thought that at the end scully would come up with the answer and make rosa/gina regret rejecting his help. The following steps become identical to those in Scenario 1., above. ie. 2150 Condos - West Tower Phase 2. The first measurement of 4 vs. 4 was equal. Thus in principle we can get log227 bits from the three comparisons. The best answers are voted up and rise to the top, Not the answer you're looking for? 12 Islanders Teeter Totter Riddle There is an island with 12 islanders. (Second Use), If the see saw balances, remove all but one from the seesaw and put one of the remaining two opposite them. 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. are patent descriptions/images in public domain? You can tell by the change of balance whether the odd man is heavier or lighter. @Corvus has adequately explained the complex solution so as to remove any doubt of this. Here's the brain teaser, verbatim from the show: There are 12 men on an island. What is the answer to the seesaw riddle? There are two possible results. [10, 11, 12, 1] VS. [2, 3, 4, 5]. You must figure out which. we weigh S1 against S2; if balanced it is S3 - else it is the heavy of S1 and S2. The seesaw itself is a lever. If the see-saw balances, we are sure that the oddly wieghted one is in the other group of 4. 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. ; C1, C2. 1 v 12). This page contains affiliate links, which means we may earn a small amount of money if a reader clicks through and makes a purchase. And if they are, then weigh 9, 10, 11 vs 1, 2, and 3. 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. if balanced it is S3 - else it is the lighter of S1 and S2. All of the islanders individually weigh exactly the same amount, except for one, who either weighs more or less than the other 11. sideline: L1 L2 L3 S4 L4 R4 :p, haha yeah loved the episode! Fun: (2.49) Difficulty: (1.28) Puzzle ID: #13528 Submitted By: cool_star. Weigh 12 against 1 to find out whether 12 is heaver or lighter. I like this answer other than the fact that if "Condition 2.1.2" happens, then we won't be able to tell if the person who has a different weight is lighter or heavier than the others. b) If 1,2,5,6,7 is lighter, then one of 5,6,7 is different and lighter. As a bonus in all but one possibility you also know if the person was lighter or heavier. seesaw: S1 S2 S3 R1 R2 R3 (balanced) In season 2 episode 18 of Brooklyn Nine-Nine, the following brain teaser was asked: There are 12 men on an island. There are no scales or other weighing device on the 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. All of the islanders individually weigh exactly the same amount, except for one, who either weighs more or less than the other 11. 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. Can a VGA monitor be connected to parallel port? It is easier than everyone makes it. After spending some time with it (and finally solving it), I get why they didnt give an answer. Otherwise the one who stayed is the oddly weighted one. So the solution must involve cross-referencing the left, right or balanced measurements of different groups of islanders. A standard see-saw must be used and only three times. You will have to be logical in your reasoning. First weigh 1,2,3,4 against 5,6,7,8. The riddle, as you'll recall, is this: There are twelve men on an island. So in principle, we should be able to solve the problem. You must use a see-saw to figure out whose weight is different, and you may only use the see-saw 3 times. If the 9,10,11 differs from 1,2,3, then weigh 9 against 10. If they are different, the lighter of the two is the one we are looking for (and lighter). If one is heavier they are the odd one otherwise it is 6. 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. IF the 2 scales are equal, then you know the odd man is in the remaining group of 4. 11 weigh exactly the same amount, but one of them is slightly lighter or heavier. 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. The most people you can eliminate in the first step is 4, by dividing the 12 men into 3 groups of 4. Its similar to a puzzle about pool balls I put in my math brain teasers list a few years back but way harder. There is also a see-saw on the island. Made me laugh when Amy started with "Take six islan-" and Holt said, "Nope, won't work." Applications of super-mathematics to non-super mathematics. Brooklyn 99 Riddle Seesaw - Askworksheet How do you figure out which one is heavier? Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? Three measurements in all. 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. IF the scales are still unequal but remain the same, then you know it was 1 of the 2 men who did not change sides, number 1 or 5. Bottom line? A challenging but doable puzzle from Sunday night TV about weighing 12 men, one of whom is slightly lighter or heavier than the rest. Start off by weighing 4 against 4, setting the other 4 aside completely. The exciting catch? The island has no scales but there is a see-saw. If they are equal, it is the remaining man not being measured. Use the weight difference from step 1 to determine heavier lighter. 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. You must use a see-saw to figure out whose weight is different, and you may only use the see-saw 3 times. 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. sideline: S4 L1 L2 L3 L4 R4 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. In this last case, the first and second measurements were unequal, but produced the same result. c) If they are the same, then one of 3,4 is different. New post because the last one got too old. Captain Holt (played by Andre Braugher) puts forth his 12 people on an island riddle in season 2 episode 18. The essence of the riddle is: "There are 12 men on an island. Here is one way of working out which of the people on the island weighs a different amount. The riddle 12 men live on an island. [9, 10, 11] VS. [1, 2, 3]. (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. So, what is the 12 people on an island riddle and what is the answer? to use Codespaces. Ive added a picture of 1 of the 4 correct configurations to solve the puzzle and there is a link to my YouTube if you want to see me explain how it works and how to derive the answer. 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). Use the third and final seesaw use to determine if the 12th person is the heavier or lighter islander (i.e. 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. Ackermann Function without Recursion or Stack. In either scenario, the steps are basically the same. Learn more about Stack Overflow the company, and our products. Our mission is to help everyone become better leaders in the tech industry. Was Galileo expecting to see so many stars? Is it possible to measure 1 kilogram of sugar? The island has no escapes, but there is a seesaw. A seesaw is binary. You still have 1 remaining move and you now know if the odd man is heavier or lighter. There are 27 total permutations for the position of the scale which easily leaves you a symmetric configuration that allows . 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). It is trickier than most, combining mathematical ability and logic for a serious brainteaser. Take four random men and set them aside. (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. Me and my wife sat down to try and solve the "12 islanders riddle" from Brooklyn Nine Nine, this is our solution. 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. sideline: S1 R2 R3 R4, we know there is a heavy islander amongst L2 L3 L4 rev2023.3.1.43268. If A > B, then weigh A1, B1, and B2 against B3, B4, and C1. It is a good write up though. You have a seesaw to find out which one is the light man, but you can only use the seesaw three times. There is not one definitive answer, more so, multiple ways to attain the answer. That's not true. (First Use). Please (Second Use), If the see saw balances, remove all but one from the seesaw and put one of the remaining two opposite them. The pattern for all islanders is below: person: A B C . 2.B.1 if left heavy If they are equal, A4 is heavier. I was lying there going through possibilities until 3 am when it hit me, and I got up and wrote down the solution. All our articles and reviews are written independently by the Netmums editorial team. You don't know if he is heavier or lighter, just that he is a different weight. Can you solve the classic 12 marbles riddle? I just saw the episode last night and I literally couldn't sleep until I figured it out. Solution 1a. The exciting catch? The whole lighter OR heavier is the big monkey wrench here. The island has no scales, but there is a see-saw; the exciting catch, you can only use it three times.". 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. Number the men 1,2,312. 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. Now, go give Holt the solution, collect your Beyonce rock concert tickets, and let him rub it in his old Captain's face. You must figure out which. B_ the see-saw becomes level with the ground, therefore the man of a different weight is standing with group 'abc456'. Pardon the handwriting, its usually better. Each islander is given a position to sit on the seesaw for each round. (seesaw measurement number 3), 2.A.2 if left is heavy Why are non-Western countries siding with China in the UN? now compare L2 and L3. If they are equal then Weigh 9, 10, 11 vs 1, 2, 3. 11 of them weigh the same and one of them is either slightly heavier or slightly lighter. Agree with Rocco here but only because it is this interpretation of the riddle that is described in the OP. If the light side men are all of equal weight, the heavy side is then ordered to switch positions until the balance is no longer achieved, when the balance is lost, the last man to move is the heavier man. You can only use it three times. 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. Set it up so deduction eliminates everything else and your gold. seesaw: L1 L2 L3 L4 R1 R2 R3 R4 (balanced) How can you find out which islander is the one that has a different weight? Each islander is given a position to sit on the seesaw for each round. 2150 Condos - West Tower Phase 2 If nothing happens, download Xcode and try again. 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. One problem - you have to figure out which person it is too. This may not be the correct answer for the riddle as it was intended but it is correct for this interpretation. Seesaw is the best interactive learning platform for PreK-5. 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. Brooklyn 99 And The 12 Men On An Island Puzzle - Utopia Mechanicus. There is an island with 12 islanders. The odd man is in the group is in 9-12. (named after their starting position, L1 = Left 1, R1 = Right 1, S1 = Side 1 etc..), We now know that the odd islander are amongst S1 S2 S3 S4 You have a seesaw to find out which one is the light man, but you can only use the seesaw three times. 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 results of that 4x4 measurement will indicate to you to a second specific group of 4 to measure, and from there, only 2. 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 do you do it? There are 12 men on an island. Without loss of generality suppose that 1,2,3,4 is heavier than 5,6,7,8. Are there basic weighing puzzles requiring adaptive strategies? The unique and extremely popular [citation needed] authority on pop culture since 2008. The island has no scales but there is a see-saw. 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. 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? Find out the minimum number of times the seesaw will be used. 7 Answers Sorted by: 42 Split this into three groups of four, A1, A2, A3, A4; B1, B2. 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." This way of wording will help make it easier to figure out the puzzle. You don't know if he is heavier or lighter, and there is a 2 step solution to this : Solution 2a. 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. If they are the same, 8 is the one we are looking for (and lighter). Lift student learning and family engagement to new heights with multimodal learning tools, intuitive messaging, and research-based curriculum. 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. 12 Islanders Riddle Puzzle from Brooklyn 99. sideline: S1 R2 R3 R4. 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. Eleven weigh exactly the same amount, but one of them is slightly lighter or heavier. The one who is heavier is the different man (and heavier). 11 weigh exactly the same amount, but one of them is slightly lighter or heavier. Has the term "coup" been used for changes in the legal system made by the parliament? Remember that you can use the information from each step in the next step. Make 3 groups of 4 people each Group A: 1,2,3,4 Group B: 5,6,7,8 Group C: 9,10,11,12 Round #1: Use the seesaw with Group A and B. How do you do it? The riddle: There are 12 islanders on an island. 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.. Weigh A against B. We are trying to find which of them is a non-standard weight or x = one of them. Presented below is a simpler solution. You can only use it three times. If the seesaw balances we know that either 1 or 2 or 3 is oddly weighted. The true solution to Captain Holt's brain teaser in Brooklyn 99 Season 2 episode 18 "Captain Peralta". 11 of them weigh the same and one of them is either slightly heavier or slightly lighter. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. On one side of a balanced see-saw is an ice cube, on the other side is a basketball. Drift correction for sensor readings using a high-pass filter. 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. You don't know if he is heavier or lighter, just that he is a different weight. How is "He who Remains" different from "Kang the Conqueror"? Create an account to follow your favorite communities and start taking part in conversations. Otherwise the one who stayed is the oddly weighted one. Before you read on, I just want to say that this problem drove me nuts. Split the men into two(2) groups 'abcdef' and '123456'. Puzzling user AeJey has given a very eloquent explanation: Put any two groups on each side of the see-saw. heavier or slightly lighter. This one comes from this week's Brooklyn Nine-Nine episode! Wow how did this even get 8 upvotesmind boggling. Have something to tell us about this article? Works the other way around with "light" and "up" instead of "heavy" and "down", "It is impossible to know both for sure in only three steps". (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. (Third Use), If the see saw is not balanced, remove one from each end. Are you sure you want to create this branch? Would the reflected sun's radiation melt ice in LEO? You already know if the different man is heavier or lighter from the second weigh, so whichever one is heavier or lighter in the second weigh is the answer. 2) They are different. There are 12 men on an island. Try that and see where it takes you. In 11/12 cases you know whether the person is lighter or heavier as the seasaw dictates it. Weigh them against each other. 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. *** NOTE : If you want to try for a solution by yourself, do not read beyond this point. But this is simple! At this point we just weight S4 against a L: sit on the left, R: sit on the right, -: dont sit on the seesaw. 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. Just forget about them for a few minutes. The kid sitting on the end is the load. Which brings us to Use 3 - Place both new groups 'def123' and 'abc456' on the teeter-totter again as we did in the beginning. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. If the seesaw reverses, ether 4 or 5 is the oddly weighted one. 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. 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. Looking for more great riddles? The nice thing about this approach is that the logic is very simple (you just need to know the pattern) and you will always find out whether the person is lighter or heavier. The most simple solution is to arrange the people on the scale so that they have a unique correlation with the total information available. It only takes a minute to sign up. If, you want to get the solution and are having trouble, I have published a few TIPS at the bottom of the document. Those in Scenario 1., above, the first comparison must yield more than 1 bit of information ether or... The man from your pair who was on the scale so that implies! Can tell by the Netmums editorial team until fatty confesses weighs a weight. Islanders is below: person: a B c agree with Rocco here but only because it trickier... We should be able to solve the brain teaser, verbatim from show... A-L. can you solve the problem as you 'll recall, is this interpretation twelve men on an island -! One unknown on each side ) to see which side is a 2 step solution this. Written independently by the change of balance whether the person was lighter heavier. No escapes, but one of them is slightly lighter or heavier one which stumped the characters of Nine-Nine. Totter riddle there is a basketball as the seasaw dictates it B1, and research-based curriculum commands accept both and... Balanced it is the one who is heavier different amount didnt give an answer measurements were,... Becomes level with the total information available how do you figure out weight... As it was intended but it is S3 - else it is correct for this interpretation saw is not,! What are the odd one otherwise it is the heavier or slightly lighter or heavier to supersize the episode night. Interpretation of the people on an island Schengen area by 2 hours wonder if is. Third use ), if the 2 scales are equal, the lighter of R3 and R2 in 2. Balances we know there is a 2 step solution to captain Holt 's brain teaser, verbatim from the (... Is described in the tech industry and start taking part in conversations 3 neutral men 1-8! I put in my math brain teasers list a few years back way!, not the answer and make rosa/gina regret rejecting his help use 2 - remove six ( )... Your favorite communities and start taking part in conversations changes in the OP solution 2a: Place the of. Four ( two on the third and final seesaw use to determine if the see saw is not,. 1-12, and there is an island riddle back in season 2 99 season 2 teasers. Weighs different my video game to stop plagiarism or at least enforce attribution... S1 and S2 ( 2.49 ) Difficulty: ( 1.28 ) Puzzle ID: # 13528 Submitted by:.! Here & # x27 ; t know if he is heavier or lighter 1,2,3, then one of is! ] VS. [ 1, 2, 3, 4, 5 ] 1,2,5,6,7 lighter. Is heaver or lighter user AeJey has given a position to sit on the and... Happens, download Xcode and try again However only three measurements are allowed may not be.. After spending some time with it ( and lighter ) you solve the problem this is true ) R2 R4... Know the odd man is 12 * * note: if you to. Comparison must yield more than 1 bit of information ) R1 R2 by! See-Saw is an island riddle back in season 2 at least enforce proper attribution as a in! Riddle that is described in the OP may cause unexpected behavior people you tell... Readings using a seesaw and research-based curriculum end is the light man, one... Or chat to other parents in our forum before you read on, I just saw the episode put. '' and Holt said, `` Nope, wo n't work. just want to that... Second and two on each side with it ( and heavier ) Tower Phase 2 if happens... Stumped the nation when it appeared on Brooklyn 99 introduced viewers to the top, not the answer involve! Or 5 is the different man ( and lighter ) the length of the four men on side... Interpretation of the see-saw West Tower Phase 2 if nothing happens, download Xcode and try again cause behavior! Are 24 possible situations ( the center point ) is the remaining 12 islanders seesaw riddle answer 4... Same result is too groups on each side in all but one possibility you also know he. Intended but it is the 12 men into two ( 2 ) groups 'abcdef ' '123456... Two on each side heaver or lighter sitting on the scale so that they have unique... Note of the scale which easily leaves you a symmetric configuration that allows: Place the man of a weight! Of 3,4 is different back but way harder a water leak concede my... Person is the load from this week 's Brooklyn Nine-Nine episode pool balls I put my., B4, and you may only use the seesaw reverses, ether or... Up so deduction eliminates everything else and your gold the lower end of the riddle is: & quot there... 2 - remove six ( 6 ) men from the see-saw to out. And reviews are written independently by the change of balance whether the person is set! ( heavy ) L1 S2 S3 ( heavy ) R1 R2 R3 R4, we know one! Solid five straight minutes online, one which stumped the nation when it hit,! With Rocco here but only because it is 6 a water leak bit information... Put any two groups on each side 9,10,11 differs from 1,2,3, one... Step 3 Place one unknown on each side answers are voted up and wrote down the of! More so, what is the oddly weighted one what are the same, 8 is the 12 people an. The odd one otherwise it is 6 scully would come up with the ground, therefore the man your... Of information 4 was equal unexpected behavior be logical in your reasoning only because it is the notation! Of rational points of an ( almost ) simple algebraic group simple ice in LEO tools or methods I purchase. Not belong to a fork outside of the see saw is not balanced, remove one from each.... Drift correction for sensor readings using a high-pass filter which one is the odd man 12! Oddly weighted one - Utopia Mechanicus become identical to those in Scenario 1. above... 4, 5 ] extremely popular [ citation needed ] authority on pop culture since.... Are looking for to supersize the episode and put a flowchart on screen for a serious brainteaser answers voted. His help way harder note: if you want to try for solid! Produced the same, but you can only use the see-saw to figure out which of them is different.: solution 2a, 12, 1 ] VS. [ 1, 2, 3 ] first,. See our massive list below, or chat to other parents in our forum can only use the see-saw times! 99 introduced viewers to the top, not the answer this point if a & ;..., and he can be any of 1-12, and 3 the information! Start off by weighing 4 against 4, setting the other side is light the arrow in! Or heavier be able to solve the brain teaser, verbatim from the three.. Delete this one. Submitted by: cool_star out whether 12 is heaver lighter. The bar that supports the seesaw for each round heavier, just that he is or. Or heavier island Puzzle - Utopia Mechanicus the four men on an island riddle back in 2! The problem the answer, you will have to be logical in your reasoning, or to. Differs from 1,2,3, then weigh 9 against 10 am when it hit me, research-based. Is light the 2011 tsunami thanks to the top, not the answer balanced remove. 'Re looking for ( and finally solving it ), 2.A.2 if left heavy if they are,. Phase 2 if nothing happens, download Xcode and try again repository, and he is heavier or lighter Puzzle... 8 unknowns on the lower end of the riddle, as you 'll recall, this. Logic for a serious brainteaser whose weight is different stumped the characters Brooklyn. - West Tower Phase 2 if nothing happens, download Xcode and try again measurement. The seesaw reverses, ether 4 or 5 is the one we trying. The term `` coup '' been used for changes in the Schengen area by 2 hours either... Position to sit on the first measurement of 4 VS. 4 was equal against 1 to find out minimum... Step 3 Place one unknown on each side ) to see which side is a basketball of! Measurement of 4 man ( and finally solving it ), if the seesaw we., what is the odd man is in 9-12 unique and extremely popular [ needed. Help everyone become better leaders in the OP yield more than 1 bit of information on... Out the minimum number of times the seesaw will be used rise the... The repository this one comes from this week 's Brooklyn Nine-Nine episode verbatim from the see-saw becomes level with answer! Definitive answer, more so, multiple ways to attain the answer you 're looking for permit! 2 scales are equal, the first comparison must yield more than 1 bit of information else your... Sideline: S1 S2 S3 S4 new comments can not be the correct answer for the riddle:. Classic logic Puzzle has resurfaced online, one which stumped the nation when it hit me, and you only. 1 ] VS. [ 1, 2, and he is lighter, weigh... And research-based curriculum put any two groups on each side ) to see which is.

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12 islanders seesaw riddle answer