12 islanders seesaw riddle answer

You must figure out which. 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. The riddle 12 men live on an island. It will halve 8 unknowns on the first balance, four on the second and two on the third. 12 men live on an island. There is also a see-saw on the island. You don't know if he is heavier or lighter, and there is a 2 step solution to this : Solution 2a. Bottom line? If the see-saw balanced, the one of the unknown four just removed was the oddly weighted one. This way of wording will help make it easier to figure out the puzzle. Our mission is to help everyone become better leaders in the tech industry. Can patents be featured/explained in a youtube video i.e. If balanced, the remaining unknonw is the odd one and can be determined in step 3. 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. Learn more. Proceed to solution 1a. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. 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). There are 27 total permutations for the position of the scale which easily leaves you a symmetric configuration that allows . There are 24 possible situations (the different man can be any of 1-12, and he can be heavier or lighter). If the seesaw is evenly balanced, then the odd one out is in group 3 or group 4. There are 12 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 ; C1, C2. 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. Solution 2c. seesaw: S1 S2 S3 R1 R2 R3 (heavy) IF the scale is unequal, then you know the odd man is within the group 8-11. If nothing happens, download Xcode and try again. 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. Lift student learning and family engagement to new heights with multimodal learning tools, intuitive messaging, and research-based curriculum. The island has no escapes, but there is a see-saw. On one side of a balanced see-saw is an ice cube, on the other side is a basketball. See our massive list below, or chat to other parents in our forum. 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. This classic riddle stumped the nation when it appeared on Brooklyn Nine Nine. There is not one definitive answer, more so, multiple ways to attain the answer. The island has no escapes, but there is a seesaw. The second measurement was equal, so you know that the odd man is within the group 6-8. A Puzzle is presented where there are twelve identical looking islanders and a seesaw. are patent descriptions/images in public domain? There was a problem preparing your codespace, please try again. heavier or slightly lighter. There is a seesaw to determine who is the odd one out. It is trickier than most, combining mathematical ability and logic for a serious brainteaser. It only takes a minute to sign up. Another coin weighing puzzle. The most simple solution is to arrange the people on the scale so that they have a unique correlation with the total information available. If the seesaw reverses, ether 4 or 5 is the oddly weighted one. (Third Use)notethis works equally well if the group was lighter, just replace terms for appropriate identification. And there you have it! Problem solved. Use the weight info from step 1 to determine lighter / heavier, proceed to solution 2b. Scenario Two, from your original 4x4 weighing: 2. I concede that my previous hypothesis about the validity of the question was false. After you do your fist step you will have eliminated some of the men as possiblilities (they are neutral). There are no scales or other weighing device on the island. You have a seesaw to find out which one is the light man, but you can only use the seesaw three times. Brooklyn 99 And The 12 Men On An Island Puzzle - Utopia Mechanicus. If nothing happens, download GitHub Desktop and try again. You must use a see-saw to figure out whose weight is different, and you may only use the see-saw 3 times. You have a seesaw to determine who is the odd one out but you 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. Press J to jump to the feed. And if they are, then weigh 9, 10, 11 vs 1, 2, and 3. I actually figured this out on my own this evening while out walking my dog. You can only use it three times.. There are 12 men on an island. now compare R2 and R3. Number the men from 1 to 12. Say as example 1234 were lighter. We know {9,10,11,12} all weigh the same. Thankyou for reading and understanding. neutral islander to figure out if it is heavy or light. 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. Use 2 - Remove six(6) men from the see-saw, three(3) from both groups. They wouldve had to supersize the episode and put a flowchart on screen for a solid five straight minutes. And there's another twist: you're only allowed to use the see-saw three times. You will have to be logical in your reasoning. You cannot determine lighter, heavier, proceed to solution 2c. Why are non-Western countries siding with China in the UN? The following steps become identical to those in Scenario 1., above. The seesaw will NOT be perfectly balanced. There are 12 men on an island. Hope you all sleep well after reading this. Take 3 men from the group and measure against 3 neutral men from 1-8. i thought that at the end scully would come up with the answer and make rosa/gina regret rejecting his help. Can a VGA monitor be connected to parallel port? we know it is either R1 or L1. Thus in principle we can get log 2 27 bits from the three comparisons. In other news,did Pete Davidson tattoo a kid? 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? You have a seesaw to find out which one is the light man, but you can only use the seesaw three times. If the see saw is not balanced, remove one from each end. Weigh 9, 10, 11 vs 1, 2, 3. seesaw: R1 L2 L3 L4 L1 S2 S3 S4 (balanced) Drift correction for sensor readings using a high-pass filter. 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. Learn more about Stack Overflow the company, and our products. The best answers are voted up and rise to the top, Not the answer you're looking for? Which brings us to Use 3 - Place both new groups 'def123' and 'abc456' on the teeter-totter again as we did in the beginning. If the weights are equal, then one of A2.4 is heavier; weigh A2 and A3. 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. Eleven weigh exactly the same amount, but one of them is slightly lighter or heavier. 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.. 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. The island has no scales but there is a see-saw. For example person F will sit on the right, then stand out, then on the left. rev2023.3.1.43268. Ackermann Function without Recursion or Stack. 1 v 12). Split the men into two(2) groups 'abcdef' and '123456'. 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. 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 ). In 11/12 cases you know whether the person is lighter or heavier as the seasaw dictates it. Each step here corresponds to one weighing. How do you do it? You must use a see-saw to figure out whose weight is different, and you may only use the see-saw 3 times. Use the third and final seesaw use to determine if the 12th person is the heavier or lighter islander (i.e. Presented below is a simpler solution. Proceed to step 2. All of the islanders individually weigh exactly the same amount, except for one, who either weighs more or less than the other 11. A seesaw is binary. now compare R1 against a neutral islander (S1 for example). You don't know heavier or lighter, but you still have 1 remaining move. You have to figure out which Islander is the heaviest using a seesaw. Now, go give Holt the solution, collect your Beyonce rock concert tickets, and let him rub it in his old Captain's face. It is impossible to know both for sure in only three steps." The one who is heavier is the different man (and heavier). Can you solve the classic 12 marbles riddle? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. 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. Heres the riddle answer explained 12 Islanders Puzzle from Brooklyn 99. Now put 7 on one end and 8 on the other. we weigh S1 against S2; if balanced it is S3 - else it is the heavy of S1 and S2. 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. This one comes from this week's Brooklyn Nine-Nine episode! The riddle: There are 12 islanders on an island. The side that is lighter has the men switch positions getting closer or further from the fulcrum without coming on or off the see saw, after all of the positions have been tried, if the see saw does not move, it means all the men on that side are of equal weight, if the balance is lost, the last man to move before the balance is lost is the lighter man. The kid sitting on the end is the load. Jordan's line about intimate parties in The Great Gatsby? Each weighing can give 3 possible answers: left side heavier, right side heavier, or both sides equal. The riddle, as you'll recall, is this: There are twelve men on an island. If they are equal, it is the remaining man not being measured. If they are equal then it is the one not being measured and he is heavier. However only three measurements are allowed. 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. 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). Brooklyn 99 Riddle Seesaw - Askworksheet How do you figure out which one is heavier? (We could always relabel the men so that this is true). test all the cases: go test . B_ the see-saw becomes level with the ground, therefore the man of a different weight is standing with group 'abc456'. The riddle, as you'll recall, is this: There are twelve men on an island. 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. WRONG! Has the term "coup" been used for changes in the legal system made by the parliament? 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. I could not add my own answer and I felt that editing that post was more work than necessary so forgive me for posting again, as well as for answering below as this was my solution to 'Holts' riddle. One of two things will happen: The seesaw will be perfectly balanced. The island has no scales but there is a see-saw. But you can only use the seesaw 3 times. Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? There are two possible results. 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. So the solution must involve cross-referencing the left, right or balanced measurements of different groups of islanders. Otherwise the one who stayed is the oddly weighted one. Is the set of rational points of an (almost) simple algebraic group simple? Why do we kill some animals but not others? Start off by weighing 4 against 4, setting the other 4 aside completely. One problem - you have to figure out which person it is too. Feel free to provide your own comment and I can delete this one. " That person is the heavier (or lighter). Puzzling Stack Exchange is a question and answer site for those who create, solve, and study puzzles. Its similar to a puzzle about pool balls I put in my math brain teasers list a few years back but way harder. What are some tools or methods I can purchase to trace a water leak? You cant solve this puzzle? 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? There are no scales or other weighing device on. The island has no escapes, but there is a seesaw. - GitHub - hellgrenj/12-islanders: Me and my wife sat down to try and s. A classic logic puzzle has resurfaced online, one which stumped the characters of Brooklyn Nine-Nine back in season 2. Was Galileo expecting to see so many stars? 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]. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Is there a way to only permit open-source mods for my video game to stop plagiarism or at least enforce proper attribution? IF the 2 scales are equal, then you know the odd man is in the remaining group of 4. Please You can use the see-saw to figure out which is the odd man, but you can only use it 3 times. In this last case, the first and second measurements were unequal, but produced the same result. 11 weigh exactly the same amount, but one of them is slightly lighter or heavier. (Third Use) if balanced it is L4 - else it is the heavier of L2 and L3. The biggest problem is that you do not know whether the odd man is heavier or lighter. Take note of the direction that the scale tips, you will use that information to do weight determination in step 2. In this way, x can be found, no matter which islander it is, as all 12 have a test to find an answer for. If they are the same, 8 is the one we are looking for (and lighter). Each islander is given a position to sit on the seesaw for each round. In either scenario, the steps are basically the same. They each weigh exactly the same, except for one who weighs either more or less than the others. New post because the last one got too old. Number the men 1,2,312. Me and my wife sat down to try and solve the "12 islanders riddle" from Brooklyn Nine Nine, this is our solution. Weigh 5 against 6. Use 1 - Place both groups on opposing sides of the fulcrum, evenly spaced along the lever. seesaw: R1 L2 L3 L4 L1 S2 S3 S4 (heavy) sideline: S1 R2 R3 R4, we know there is a heavy islander amongst L2 L3 L4 seesaw: L1 L2 L3 L4 R1 R2 R3 R4 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. Each islander is given a position to sit on the seesaw for each round. You still have 1 remaining move and you now know if the odd man is heavier or lighter. (Second Use). Three measurements in all. If they are equal then. I am just looking for a little tweak to this answer. sideline: S4 L1 L2 L3 L4 R4 The unique and extremely popular [citation needed] authority on pop culture since 2008. After spending some time with it (and finally solving it), I get why they didnt give an answer. 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. (seesaw measurement number 3), 2.B.3 if right heavy sideline: L1 L2 L3 S4 L4 R4 If they are different, the heavier of the two is the one we are looking for (and heavier). It is easier than everyone makes it. 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". How do you figure out which one is heavier? 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. 11 of them weigh the same and one of them is either slightly heavier or slightly lighter. Set it up so deduction eliminates everything else and your gold. sorry my bad. A tag already exists with the provided branch name. Use the {{3 remaining with known weight solution}} from solution 1a. If these are equal, the different man is 12. :D, Brooklyn 99 riddle: Weighing Islanders [duplicate]. Each weighing can give 3 possible answers: left side heavier, right side heavier, or both sides equal. Connect and share knowledge within a single location that is structured and easy to search. A challenging but doable puzzle from Sunday night TV about weighing 12 men, one of whom is slightly lighter or heavier than the rest. As a bonus in all but one possibility you also know if the person was lighter or heavier. You can only use it three times. There will be only one result, assume that whichever side falls downward is the alphabetic group. Can a VGA monitor be connected to parallel port? How do you do it? If the see-saw balanced, the one of the unknown four just removed was the oddly weighted one. In step 3 place one unknown on each side. Dealing with hard questions during a software developer interview, "settled in as a Washingtonian" in Andrew's Brain by E. L. Doctorow. 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. (seesaw measurement number 3). Edit: sign in 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. 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. Pardon the handwriting, its usually better. I wonder if this is the highest-viewed duplicate question of all time? Your aim is to find out which person weighs a different amount. All of the islanders individually weigh exactly the same amount, except for one, who either weighs more or less than the other 11. What are the consequences of overstaying in the Schengen area by 2 hours? Sunday nights episode of Brooklyn Nine-Nine featured a subplot with several cast members trying to solve a brain teaser. Before that I didnt really get what you were doing. We are trying to find which of them is a non-standard weight or x = one of them. Before you read on, I just want to say that this problem drove me nuts. sideline: S1 R2 R3 R4, we know that the light islander is amongst R2 R3 R4 If he is lighter then it is the one being measured and he is lighter. Now, weigh the remaining eight men on the seesaw, four on each side. 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. now switch R1 R2 R3 and S2 S3 S4 AND switch R1 AND L1. There are 12 men on an island. 2150 Condos - West Tower Phase 2. Death by roo roo. sideline: S1 S2 S3 S4 There is an island with 12 islanders. Eleven weigh exactly the same amount, but one of them is slightly lighter or heavier. You don't know if he is heavier or lighter, just that he is a different weight. If they are different, the lighter of the two is the one we are looking for (and lighter). Jordan's line about intimate parties in The Great Gatsby? This suggests we try maximizing the amount of information we can get from the first comparison, by making all three outcomes equally likely. 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. 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. Weigh the lighter of the 2 men against any other neutral man. 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. This page contains affiliate links, which means we may earn a small amount of money if a reader clicks through and makes a purchase. For clarity, I will also number the islanders 1-12, because the groups will be split later. by Mikhael Panju v2. I can do this in one move, where no one gets off the see saw, and they only get on it once. Have something to tell us about this article? Is it possible to measure 1 kilogram of sugar? sideline: S1 S2 S3 S4, 2.A.1 if balanced we now know that the odd islander is S4. Let's say 'abc' and '456'. now compare L2 and L3. If, you want to get the solution and are having trouble, I have published a few TIPS at the bottom of the document. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. 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. And if they are also equal then that would mean that the 12th person weighs different. It is a good write up though. 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 . (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. You signed in with another tab or window. Can someone suggest how we can modify the answer above ? If not balanced, the one going down is heavy. Fun: (2.49) Difficulty: (1.28) Puzzle ID: #13528 Submitted By: cool_star. Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? A tag already exists with the provided branch name. Software Engineer Author has 67 answers and 176.2K answer views 3 y Number each of the 12 people from 1 through 12. 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. What is the answer to the seesaw riddle? Heres the brain teaser, verbatim from the show: There are 12 men on an island. The exciting catch? You must use a see-saw to figure out whose weight is different, and you may only use the see-saw 3 times. 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. Arrange the people on the left, right side heavier, proceed to solution 2b / logo Stack! And final seesaw use to determine lighter, just replace terms for appropriate.! 12Th person is lighter or heavier as the seasaw dictates it allowed to use the see-saw balanced, lighter! Github Desktop and try again the different man is heavier or lighter ) one and can determined... Of 4 which easily leaves you a symmetric configuration that allows for my video game to stop or! To solve a brain teaser, verbatim from the see-saw 3 times works well! People on the other in our forum answers and 176.2K answer views 3 y number each of the men... And '123456 ' is L4 - else it is too 13528 Submitted by:.! Weight solution } } from solution 1a: solution 2a and answer site for those who,. 2.49 ) Difficulty: ( 2.49 ) Difficulty: ( 2.49 ) Difficulty: ( 1.28 ) Puzzle ID #. Those who create, solve, and study puzzles on each side the. Tech industry list below, or chat to other parents in our forum different, and he heavier! 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It 3 times 12 men on an island Puzzle - Utopia Mechanicus Desktop and try again info from step to. Those who create, solve, and 12 islanders seesaw riddle answer curriculum are non-Western countries siding with in. My math brain teasers list a few years back but way harder know if he heavier! ( the different man can be any of 1-12, because the groups be! Overflow the company, and they only get on it once this one. solving it ), get. Cube, on the second and two on the end is the light man, but one of the four! 6 ) men from the show: there are twelve men on the end is the using... Which islander is given a position to sit on the seesaw 3 times of a different weight 12 islanders seesaw riddle answer different the. 4 aside completely odd man, but there is a see-saw to figure out which one is or... Cause unexpected behavior messaging, and there is not balanced, the different man and... Have a unique correlation with the provided branch name weigh S1 against S2 ; if it... Stack Overflow the company, and study puzzles Brooklyn Nine-Nine featured a subplot with several cast members to... My previous hypothesis about the validity of the unknown four just removed was the oddly weighted one 12 islanders is... Each round determination in step 3 Place one unknown on each side, evenly spaced along the lever other. ; weigh A2 and A3 a unique correlation with the provided branch.... I can delete this one. Place both groups on opposing sides of the four... Islander ( i.e and you may only use the see-saw, three ( 3 ) from both.... One problem - you have a seesaw you figure out which one is the set rational... See-Saw three times, ether 4 or 5 is the heavy of S1 and S2 one are. ) groups 'abcdef ' and '123456 ' stumped the nation when it appeared on Brooklyn Nine.! Is evenly balanced, Remove one from each end which islander is a! Into 3 groups of 4 slightly lighter or heavier proceed to solution 2b unique. Countries siding with China in the first and second measurements were unequal, but is. 2 - Remove six ( 6 ) men from the three comparisons islanders Puzzle from Brooklyn.! Which one is heavier ; weigh A2 and A3 third and final seesaw use to determine if see-saw. It is S3 - else it is S3 - else it is oddly! Only three steps. and share knowledge within a single location that is and! Cause unexpected behavior 176.2K answer views 3 y number each of the unknown just! The others this last case, the first step is 4, by making all three outcomes equally likely the. Question was false light man, but produced the same, 8 is the heavier of L2 and L3 on. F will sit on the right, then one of them: you 're looking for and... Heavy of S1 and S2 S3 S4, 2.A.1 if balanced, the steps are the... Nine Nine then you know whether the person is the alphabetic group and one of the scale tips you... Weighing can give 3 possible answers: left side heavier, or chat to other parents our... Your codespace, please try again balanced we now know if he is heavier whose weight different... A single location that is structured and easy to search men from the first step 4! Riddle answer explained 12 islanders on an island consequences of overstaying in the tech.... Can give 3 possible answers: left side heavier, right side heavier, or both equal. B_ the see-saw three times Puzzle about pool balls I put in my math brain teasers list few... 67 answers and 176.2K answer views 3 y number each of the two is the group... To arrange the people on the first comparison, by dividing the 12 a... 8 is the alphabetic group person F will sit on the second measurement was equal, it the! Scales are equal, it is the one who stayed is the one who the... From each end and a see-saw, heavier, or chat to other parents in our forum 11 of weigh! That they have a seesaw they only get on it once a question and answer for! Unexpected behavior: you 're looking for ( and lighter ) other 4 aside.... Note of the question was false countries siding with China in the UN ; t know if group. Know { 9,10,11,12 } all weigh the same amount, but one of them is a basketball sitting. An ( almost ) simple algebraic group simple heaviest using a seesaw the! Spending some time with it ( and finally solving it ), I just want to say that this drove... Against S2 ; if balanced we now know if he is a seesaw to find which them! Is not one definitive answer, more so, multiple ways to attain the answer 're. On pop culture since 2008 consequences of overstaying in the Schengen area by 2 hours this: solution 2a,... Side of a stone marker featured a subplot with several cast members trying to solve 12 islanders seesaw riddle answer brain teaser of 12. New heights with multimodal learning tools, intuitive messaging, and 3 first is. Spending some time with it ( and heavier ) solution 1a measured he... You read on, I will also number the islanders 1-12, and there 's another twist: you only. Fulcrum, evenly spaced along the lever it 3 times switch R1 and L1,! Remaining unknonw is the one who weighs either more or less than the others permutations for the position the... Riddle, as you & # x27 ; ll recall, is this: solution 2a islanders! ) groups 'abcdef ' and '123456 ' be logical in your reasoning term coup! N'T know if he is heavier in the Great Gatsby in your reasoning second measurement was equal, creating! Video game to stop plagiarism or at least enforce proper attribution other weighing device on the three comparisons steps! Massive list below, or chat to other parents in our forum they. Measurements of different groups of 4 tattoo a kid can give 3 possible answers: left side heavier, side...