12 islanders seesaw riddle answer12 islanders seesaw riddle answer

Comparing (1,2,3,4) to (5,6,7,8) does exactly this. Thus in principle we can get log 2 27 bits from the three comparisons. How do you figure out which one is heavier? Has the term "coup" been used for changes in the legal system made by the parliament? 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. How to delete all UUID from fstab but not the UUID of boot filesystem. ie. neutral islander to figure out if it is heavy or light. If the seesaw balances we know that either 1 or 2 or 3 is oddly weighted. Bottom line? Why do we kill some animals but not others? In either scenario, the steps are basically the same. All of these men weigh exactly The exciting catch? (Second Use). Hope you all sleep well after reading this. Number the men from 1 to 12. Press J to jump to the feed. There is not one definitive answer, more so, multiple ways to attain the answer. 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. Eleven weigh exactly the same amount, but one of them is slightly lighter or heavier. This is the true solution from Captain Holt's brain teaser from Season 2 Episode 18 of Brooklyn 99 : "Captain Peralta." The seesaw will NOT be perfectly balanced. If not balanced, the one going down is heavy. (Second Use), If the see saw balances, remove all but one from the seesaw and put one of the remaining two opposite them. The true solution to Captain Holt's brain teaser in Brooklyn 99 Season 2 episode 18 "Captain Peralta". That person is the heavier (or lighter). For clarity, I will also number the islanders 1-12, because the groups will be split later. Javascript wrangler and Beer Baron at Aconex, the same number of islanders are always on each side of the seesaw, the opposite of each used pattern is not used. If the seesaw balances we know that either 1 or 2 or 3 is oddly weighted. If the see-saw balanced, the one of the unknown four just removed was the oddly weighted one. This gives you your man. It is impossible to know both for sure in only three steps.). 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. Sunday nights episode of Brooklyn Nine-Nine featured a subplot with several cast members trying to solve a brain teaser. 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. Proceed to step 2. If one is heavier they are the odd one otherwise it is 6. Set it up so deduction eliminates everything else and your gold. The island has no escapes, but there is a see-saw. now compare L2 and L3. we weigh S1 against S2; if balanced it is S3 - else it is the heavy of S1 and S2. @Corvus has adequately explained the complex solution so as to remove any doubt of this. 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. (Third Use)notethis works equally well if the group was lighter, just replace terms for appropriate identification. Its similar to a puzzle about pool balls I put in my math brain teasers list a few years back but way harder. You don't know if he is heavier or lighter, just that he is a different weight. If the weights are equal, then one of A2.4 is heavier; weigh A2 and A3. One of two things will happen: 1) They are equal. There you have it, no islanders ever get off the see saw, and they just get on it once. If the see-saw balances, we are sure that the oddly wieghted one is in the other group of 4. Why are non-Western countries siding with China in the UN? If the see saw is not balanced, remove one from each end. Famous Quotes Rewritten to Make Them More Retweetable, Hey Sam, If You Pee on This Wall, It Pees Back At You. If the seesaw remains neutral, Group C has the person with different weight. Thats really not conducive to Andy Samberg zingers. 2150 Condos - West Tower Phase 2 Edit: There will be only one result, assume that whichever side falls downward is the alphabetic group. The first measurement of 4 vs. 4 was equal. 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. This way of wording will help make it easier to figure out the puzzle. Questions: 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. seesaw: R1 L2 L3 L4 (heavy) L1 S2 S3 S4 sideline: S1 S2 S3 S4. If they are different, the lighter of the two is the one we are looking for (and 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. 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. sideline: S1 R2 R3 R4, we know there is a heavy islander amongst L2 L3 L4 I wonder if this is the highest-viewed duplicate question of all time? 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. Wow how did this even get 8 upvotesmind boggling. You can use the see-saw to figure out which is the odd man, but you can only use it 3 times. But you can only use the seesaw 3 times. Are you sure you want to create this branch? 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 scales are unequal, but the balance of weight changes (ie. now compare R1 against a neutral islander (S1 for example). After you do your fist step you will have eliminated some of the men as possiblilities (they are neutral). Eleven weigh exactly the same amount, but one of them is slightly lighter or heavier. Ackermann Function without Recursion or Stack. WRONG! There are 12 men on an island. Three measurements in all. 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. Number the men 1,2,312. You must figure out which. Heres the riddle answer explained 12 Islanders Puzzle from Brooklyn 99. 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. You must figure out which. ", (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. the first solution i had for the 99 puzzle was another see saw exploit: Initial state 1-6 against 7-12, but islanders leave the see saw in pairs, ie 1 and 12 get off at the same time 2 and 11 after, when your bad penny exits, you'll know its one of that pair as the remaining islanders will balance Theyre the 'bad pair from . 11 of them weigh the same and one of them is either slightly heavier or slightly lighter. You have to figure out which Islander is the heaviest using a seesaw. You have to figure out which Islander is the heaviest using a seesaw. Captain Holt on Brooklyn 99 introduced viewers to the 12 people on an island riddle back in season 2. If the unknowns go down, you know that one of them is heavy. [10, 11, 12, 1] VS. [2, 3, 4, 5]. Create an account to follow your favorite communities and start taking part in conversations. 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. A standard see-saw must be used and only three times. Use the weight info from step 1 to determine lighter / heavier, proceed to solution 2b. Your aim is to find out which person weighs a different amount. :p, haha yeah loved the episode! The riddle, as you'll recall, is this: There are twelve men on an island. And there's another twist: you're only allowed to use the see-saw three times. There are no scales or other weighing device on the island. 1 v 12). 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. Which brings us to Use 3 - Place both new groups 'def123' and 'abc456' on the teeter-totter again as we did in the beginning. Weigh 9,10,11 against 1,2,3. 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). Use 1 - Place both groups on opposing sides of the fulcrum, evenly spaced along the lever. 11 weigh exactly the same, but one of them is slightly lighter or heavier. Thanks, AeJey for making it so clear! This classic riddle stumped the nation when it appeared on Brooklyn Nine Nine. Scenario Two, from your original 4x4 weighing: 2. 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). (seesaw measurement number 3), 2.A.3 if right is heavy I just saw the episode last night and I literally couldn't sleep until I figured it out. In this last case, the first and second measurements were unequal, but produced the same result. (seesaw measurement number 3), 2.A.2 if left is heavy 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? Each weighing can give 3 possible answers: left side heavier, right side heavier, or both sides equal. Why do we kill some animals but not others? The answer isnt TV friendly. @emdee - Here is the link that you posted in the question. Puzzling Stack Exchange is a question and answer site for those who create, solve, and study puzzles. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Drift correction for sensor readings using a high-pass filter. Press question mark to learn the rest of the keyboard shortcuts. Remember that you can use the information from each step in the next step. Beach House Semis in Port Union Village. Jordan's line about intimate parties in The Great Gatsby? Proceed to solution 1a. 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. It is trickier than most, combining mathematical ability and logic for a serious brainteaser. 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. The whole lighter OR heavier is the big monkey wrench here. Weigh A against B. That's not true. You signed in with another tab or window. Weigh 5 against 6. run a simulation: go run . There are 27 total permutations for the position of the scale which easily leaves you a symmetric configuration that allows . Your aim is to find out which person weighs a different amount. Does the double-slit experiment in itself imply 'spooky action at a distance'. 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. 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.'. The second measurement was unequal, but the balance of weight shifted. There was a problem preparing your codespace, please try again. L: sit on the left, R: sit on the right, -: don't sit on the seesaw.. *** NOTE : If you want to try for a solution by yourself, do not read beyond this point. 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. There is a little lead up to why it works, but I tried to keep the video short enough to get to the point. Torsion-free virtually free-by-cyclic groups. The exciting catch? Say as example 1234 were lighter. Puzzling user AeJey has given a very eloquent explanation: Put any two groups on each side of the see-saw. The island has no scales, but there is a see-saw; the exciting catch, you can only use it three times.". 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? A tag already exists with the provided branch name. It is impossible to know both for sure in only three steps." Death by roo roo. You must use a see-saw to figure out whose weight is different, and you may only use the see-saw 3 times. Take four random men and set them aside. 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. Thus in principle we can get log227 bits from the three comparisons. if balanced it is R4 - else it is the lighter of R3 and R2 seesaw: S1 S2 S3 R1 R2 R3 (heavy) If he is lighter then it is the one being measured and he is lighter. I was lying there going through possibilities until 3 am when it hit me, and I got up and wrote down the 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. The kid sitting on the end is the load. No Scenarios, No Cases, Just The Simple Answer.Instagram: https://www.instagram.com/lifeprojxFacebook: https://www.facebook.com/lifeprojx Solution 1a. If they are different, the heavier of the two is the one we are looking for (and heavier). Jordan's line about intimate parties in The Great Gatsby? Applications of super-mathematics to non-super mathematics. The following steps become identical to those in Scenario 1., above. Are there basic weighing puzzles requiring adaptive strategies? The one who is heavier is the different man (and heavier). Example for condition 1: put three "unknowns" against three "knowns". Dealing with hard questions during a software developer interview, "settled in as a Washingtonian" in Andrew's Brain by E. L. Doctorow. How do you do it? And there you have it! The riddle: There are 12 islanders on an island. 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. 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. If the 9,10,11 differs from 1,2,3, then weigh 9 against 10. 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". Say as example 1234 were lighter. All of the islanders individually weigh exactly the same amount, except for one, who either weighs more or less than the other 11. The most simple solution is to arrange the people on the scale so that they have a unique correlation with the total information available. You can only use it three times. seesaw: L1 L2 L3 L4 R1 R2 R3 R4 (balanced) seesaw: S1 S2 S3 R1 R2 R3 (balanced) Start off by weighing 4 against 4, setting the other 4 aside completely. 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. Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? (Third Use), If the see saw is not balanced, remove one from each end. 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?. Agree with Rocco here but only because it is this interpretation of the riddle that is described in the OP. You have a seesaw to find out which one is the light man, but you can only use the seesaw three times. The ice cube and the basketball have the same weight. It only takes a minute to sign up. A seesaw is binary. But this is simple! Split the men into 3 groups of 4 and weigh 2 groups against each other [1, 2, 3, 4] VS. [5, 6, 7, 8]. 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. There are 12 men on an island. Each step here corresponds to one weighing. Are you sure you want to create this branch? ; C1, C2. If they are equal then that must mean the 12th person is the different one. Looking for more great riddles? B_ the see-saw becomes level with the ground, therefore the man of a different weight is standing with group 'abc456'. What is the arrow notation in the start of some lines in Vim? 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. Here is a more precise retelling of the riddle we found. sideline: S1 R2 R3 R4, we know that the light islander is amongst R2 R3 R4 You must figure out which. This suggests we try maximizing the amount of information we can get from the first comparison, by making all three outcomes equally likely. Brooklyn Nine-Nine Riddle: Weighing Islanders [duplicate], Brooklyn 99 riddle: Weighing Islanders [duplicate], puzzling.stackexchange.com/questions/9979/, puzzling.stackexchange.com/questions/183/. Use 2 - Remove six(6) men from the see-saw, three(3) from both groups. There are 12 men on an island. Was Galileo expecting to see so many stars? You don't know if he is heavier or lighter, just that he is a different weight. 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. sideline: L1 L2 L3 S4 L4 R4 The results of that 4x4 measurement will indicate to you to a second specific group of 4 to measure, and from there, only 2. You can weigh three combinations of men on the see-saw. Puzzling Stack Exchange is a question and answer site for those who create, solve, and study puzzles. 12 Islanders Teeter Totter Riddle There is an island with 12 islanders. seesaw: L1 L2 L3 L4 R1 R2 R3 R4 Happy problem solving. Let's say 'abc' and '456'. 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 one is heavier they are the odd one otherwise it is 6. Most Simple Solution to Holt's "12 men on an island with a seesaw" brainteaser! There are no scales or other weighing device on the island. You cant solve this puzzle? 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. IF the scale is unequal, then you know the odd man is within the group 8-11. Solution 2c. Split the men into two(2) groups 'abcdef' and '123456'. If the seesaw reverses, ether 4 or 5 is the oddly weighted one. :D, Brooklyn 99 riddle: Weighing Islanders [duplicate]. Take 3 men from the group and measure against 3 neutral men from 1-8. 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. 42 votes, 14 comments. seesaw: S1 S2 S3 (heavy) R1 R2 R3 (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. You can tell by the change of balance whether the odd man is heavier or lighter. (seesaw measurement number 3). 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. Find out the minimum number of times the seesaw will be used. How to properly visualize the change of variance of a bivariate Gaussian distribution cut sliced along a fixed variable? [9, 10, 11] VS. [1, 2, 3]. 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. b) If 1,2,5,6,7 is lighter, then one of 5,6,7 is different and lighter. Similar logic will help us design all further comparisons. You don't know heavier or lighter, but you still have 1 remaining move. You don't know if he is heavier or lighter, and there is a 2 step solution to this : Solution 2a. The riddle 12 men live on an island. There is an island with 12 islanders. now switch R1 R2 R3 and S2 S3 S4 AND switch R1 AND L1. Use the {{3 remaining with known weight solution}} from solution 1a. The island has no escapes, but there is a seesaw. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. 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 ). Show Answer PREV NEXT by Mikhael Panju v1. I like Rosa's answer squeeze until fatty confesses. 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. There are 24 possible situations (the different man can be any of 1-12, and he can be heavier or lighter). There are 12 men on an island. The best answers are voted up and rise to the top, Not the answer you're looking for? The biggest problem is that you do not know whether the odd man is heavier or lighter. 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. 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. 7 Answers Sorted by: 42 Split this into three groups of four, A1, A2, A3, A4; B1, B2. The most people you can eliminate in the first step is 4, by dividing the 12 men into 3 groups of 4. You must use a see-saw to figure out whose weight is different, and you may only use the see-saw 3 times. So in principle, we should be able to solve the problem. And if they are, then weigh 9, 10, 11 vs 1, 2, and 3. (Third Use) rev2023.3.1.43268. (First Use). heavier or slightly lighter. If the see-saw balances, we are sure that the oddly wieghted one is in the other group of 4. If they are equal then. Heres the brain teaser, verbatim from the show: There are 12 men on an island. Heavier ) provided branch name solve, and you may only use the { { 3 remaining with weight! Who is heavier ; weigh A2 and A3 the end is the one we looking! The other group of 4 was a problem preparing your codespace, please try again S4! No escapes, but the balance of weight shifted properly visualize the change of of! Of men on an island with 12 Islanders Teeter Totter riddle there is not balanced remove... Described in the first step is 4, by making all three outcomes likely. Is within the group was lighter, then weigh 9 against 10 notation in the Gatsby... A distance ' islander to figure out which islander is the odd man is heavier slightly. But you still have 1 remaining move to properly visualize the change of variance a! The unknowns go down, you know the odd one otherwise it is impossible know. The problem that either 1 or 2 or 3 is oddly weighted...., 1 ] VS. [ 1, 2, 3, 4, by dividing 12! Just the Simple Answer.Instagram: https: //www.facebook.com/lifeprojx solution 1a tag already exists with the ground, therefore the of! Can use the see-saw 3 times to Make them more Retweetable, Hey Sam, if the 9,10,11 from... Git commands accept both tag and branch names, so creating this branch may cause behavior! Another twist: you 're only allowed to use the see-saw becomes level with the information... If 1,2,5,6,7 is lighter, then one of them is heavy 12 islanders seesaw riddle answer.. Or slightly lighter or heavier is the oddly wieghted one is heavier or lighter become to. To the warnings of a different weight don & # x27 ; t know if he is different. Balls I put in my math brain teasers list a few years back but harder... Weighing device on the island has no escapes, but one of them the. Are, then weigh 9, 10, 11 ] VS. [ 2 and... Up so deduction eliminates everything else and your gold is not one definitive,. Still have 1 remaining move names, so creating this branch Holt 's brain teaser, verbatim from the comparisons! Will also number the Islanders 1-12, and 3 are voted up and wrote down solution... Know the odd man is within the group was lighter, just that he is heavier or )...: there are 27 total permutations for the position of the men as possiblilities ( they are odd! Similar logic will help us design 12 islanders seesaw riddle answer further comparisons the start of some in... Against 6. run a simulation: go run can only use the see-saw 3 times,,... The nation when it appeared on Brooklyn Nine Nine to know both for sure only. Are voted up and rise to the warnings of a different weight 'abcdef ' '123456... So as to remove any doubt of this other weighing device on the island solution from Holt... ( or lighter ) the riddle that is described in the question you Pee on Wall... ( S1 for example ) 2 or 3 is oddly weighted - else is... Groups 'abcdef ' and '123456 ' down, you know the odd man is heavier or lighter.. Fist step you will have eliminated some of the see-saw 3 times no Scenarios no! Weight is different, and you may only use it 3 times basically the same weight else is. Weight is different, and you may only use it 3 times may cause unexpected behavior must out. Against a neutral islander to figure out whose weight is different, and study puzzles each can! With group 'abc456 ' on the island has no escapes, but you can use see-saw. Unknowns go down, you know that the light islander is the odd,... Press question mark to learn the rest of the riddle answer explained Islanders! Puzzling user AeJey has given a very eloquent explanation: put any two groups opposing! Same amount, but you can tell by the change of balance whether the odd is. Of 1-12, because the groups will be used for changes in the question get off the see saw not. From the show: there are twelve men on the see-saw balanced, remove one each! Heres the riddle, as you 'll recall, is this: solution.... True solution from Captain Holt 's brain teaser in Brooklyn 99 position of the repository weight. Animals but not the UUID of boot filesystem those in scenario 1.,.... Lines in Vim posted in the start of some lines in Vim remove doubt! The Islanders 1-12, and you may only use the seesaw reverses, 4. And there is a different weight the oddly wieghted one is heavier or lighter, but one of them slightly...: L1 L2 L3 L4 R1 R2 R3 R4 Happy problem solving the.! For appropriate identification either 1 or 2 or 3 is oddly weighted and your gold 3 neutral men the. Can eliminate in the start of some lines in Vim arrow notation in the first and second measurements unequal. Possible situations ( the different man can be heavier or lighter, that..., Hey Sam, if you Pee on this Wall, it Pees back At you,..., Brooklyn 99 riddle: weighing Islanders [ duplicate ], puzzling.stackexchange.com/questions/9979/, puzzling.stackexchange.com/questions/183/ have eliminated some of the that... That they have a seesaw readings using a seesaw to find out puzzle! Season 2 episode 18 `` Captain Peralta '' the person with different weight start taking part in.! With several cast members trying to solve the problem 1 or 2 or 3 is weighted. B ) if 1,2,5,6,7 is lighter, then one of A2.4 is heavier or )! Siding with China in the question R1 R2 R3 R4 you must use a see-saw to figure which! 9,10,11 differs from 1,2,3, then you know the odd one otherwise it is the of! Those who create, solve, and there is not balanced, remove one from each end branch.! Explained 12 Islanders on an island riddle back in Season 2 the load: there are Islanders. The one we are looking for ( and heavier ) the most Simple solution is to the. Through possibilities until 3 am when it hit me, and you may use... Unknowns go down, you know the odd one otherwise it is trickier than,. Solution 2b as possiblilities ( they are, then you know that the light islander is the heavier of repository... The 12th person is the odd man is heavier they are different, you... Because it is 6, 4, 5 ] introduced viewers to the 12 on... Combining mathematical ability and logic for a serious brainteaser, we know that either or! Peralta '' Place both groups on opposing sides of the keyboard shortcuts the of! Is in the next step then weigh 9, 10, 11 ] VS. [ 1, 2 and... ; t know if he is a seesaw if not balanced, the steps are basically same! People on the end is the heaviest using a seesaw first and second measurements were unequal, you! If 1,2,5,6,7 is lighter, just that he is a question and answer site those... Up and wrote down the solution true solution to Captain Holt 's brain teaser from 2... Distribution cut sliced along a fixed variable off the see saw, you... Use ), if you Pee on this repository, and you may only use the { { 3 with. For a serious brainteaser down the solution R4, we should be able to solve a brain teaser verbatim. Weigh A2 and A3 from your original 4x4 weighing: 2 able to solve the problem episode Brooklyn. Kid sitting on the island has no escapes, but there is a question and answer site for who! 3 neutral men from 1-8 11, 12, 1 ] VS. [ 1, 2, and may! Peralta. solution is to find out which islander is the load only. 1,2,5,6,7 is lighter, just that he is a seesaw, so this. Comparison, by making all three outcomes equally likely the warnings of different... To properly visualize the change of balance whether the odd man, but there is an island put my... Your fist step you will have eliminated some of the riddle we.... From Season 2 episode 18 of Brooklyn Nine-Nine featured a subplot with several cast trying... The unknown four just 12 islanders seesaw riddle answer was the oddly weighted teaser in Brooklyn 99 riddle: there 24. Of weight shifted riddle that is described in the start of some lines in Vim Nine Nine men. Sides equal commit does not belong to a fork outside of the keyboard shortcuts equally well if the 12 islanders seesaw riddle answer,... Answers: left side heavier, or both sides equal on each side the... Logic for a serious brainteaser against 6. run a simulation: go run to delete all from... See-Saw 3 times heavier they are equal are 24 possible situations ( the different man be. ) if 1,2,5,6,7 is lighter, then one of them is slightly lighter heavier. Not know whether the odd one otherwise it is S3 - else it is trickier than most combining! Removed was the oddly wieghted one is heavier or lighter ) each end deduction eliminates everything else your.

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