Need to cross a bridge.. A maximum of 2 people can cross at a time.. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. Four people need to cross a rickety rope bridge to get back to their camp at night. Because of its dilapidated condition, the bridge can only support up to 2 people at any given time. What is the shortest time needed for all four of them to cross the bridge ? The bridge can only hold two or less people at any time and they only have one flashlight so they must travel together (or alone). Four People on a Rickety Bridge Question: Four people need to cross a rickety bridge at night. Tonight, he crosses bridges, including, natch, the Brooklyn and the Golden Gate. They each take 1, 2, 5 and 8 minutes. Connor n Sally they take only 10mins , John returns with the light(2min). The flashlight can only travel with a person so every time it crosses the bridge it must be carried back. A bridge will collapse in 17 minutes. RESET! Bono and Edge cross the bridge together. Online aptitude preparation material with practice question bank, examples, solutions and explanations. Four people need to cross a rickety rope bridge to get back to their camp at night. This is a popular question asked and answered about 4-5 years back. Because of the varying size of their instruments, it takes each member a different amount of time to cross the bridge - it takes the first person one minute, the second person two minutes, the third person five minutes and the fourth person ten minutes. The bridge is too dangerous to cross without a flashlight, and it’s only strong enough to support two people at any given time. \n3rd. Building a bridge in Animal Crossing: New Horizons takes a little more work, and requires you unlock Nook's Cranny and start the process of placing new Villager houses around the island. The bridge is too dangerous to cross without a flashlight, and … Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. They have one flashlight, and two can cross at a time, but they must go at the same pace. The goal and mission of GoodRiddlesNow.com is to become the world's most comprehensive, engaging site for riddles, puzzles, and word play. B also wanted to kill C (not knowing that the water of C had been already poisoned) and so B made a hole into the sack of C and the water spilt out. Let’s brainstorm a little further. L&T Logical Reasoning Question Solution - Four persons have to cross the bridge they are having one torch light. Remember: no more than two people can cross the bridge together, anyone crossing must either hold the lantern or stay right next to it, and any of you can safely wait in the dark on either side of the gorge. The bridge is too dangerous to cross without a flashlight, and it’s only strong enough to support two people at any given time. Unfortunately, they have one torch and the bridge is to dangerous to cross without a torch. it is night. Four people need to cross a rickety bridge at night. The bridge can support only two people at a time. Unfortunately, they only have one flashlight and it only has enough light left for seventeen minutes. If a pair of characters cross the bridge, they must walk together with the same speed of the slower character. Writing code in comment? So 10 minutes, 1 back, 7 minutes, 1 back, 2 minutes. The five people take different times to cross the bridge. Four investment bankers need to cross a bridge at night to get to a meeting. Each character has different speed to cross the bridge (1s, 2s, 4s, 6s, 8s, 12s). Bridge, structure that spans horizontally between supports, whose function is to carry vertical loads. The reasonable assumption is that the four people are on one side of the bridge, and you want to have them all on the other side of the bridge. Tom can cross in 1 minute, John can cross in 2 minutes, Sally can cross in 5 minutes, and Connor can cross in 10 minutes. Four people need to cross a bridge in 17 minutes in the middle of the night. Question: What goes in the water black and comes out red? This article is contributed by Ayush Govil. Any party who crosses, either 1 or 2 people… Each Running At A Maximum Speed; One Person Can Cross The Bridge In 1 Minute, The Second In 2 Minutes, The Third In 5 Minutes, And The Last In 10 Minutes. Puzzle: There are 4 persons (A, B, C and D) who want to cross a bridge in night. So let’s put all this together. Querschnitt der Brücke und Verstärkungsmassnahmen in Querrichtung Mst. ), Puzzle 5 | (Finding the Injection for Anesthesia), Puzzle 8 | (Find the Jar with contaminated pills), Puzzle 10 | (A Man with Medical Condition and 2 Pills), Puzzle 12 | (Maximize probability of White Ball), Puzzle 13 | (100 Prisoners with Red/Black Hats), Puzzle 14 | (Strategy for a 2 Player Coin Game), Puzzle | Measure 4L using given 3 buckets, Write Interview They all take different times to cross the bridge, 1, 2, 5, & 10 minutes and must cross in pairs with a torch. It is night and they have just one lamp. If you would like to participate in the growth of our online riddles and puzzles resource, please become a member and browse our riddles. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. Cross The Bridge - IQ Game. The Short Version: Four people are trying to cross a sketchy rope bridge in the middle of the night. Four friends need to cross a dangerous bridge at night. The bridge is only strong enough to support two people at a time. Time for each person : 1 mins, 2 mins, 7 mins and 10 mins. A maximum of two people can cross at one time. Definition: Solve that problem when it arises. Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above. The bridge is rickety and can only support 2 people at a time. Unfortunately, they only have one flashlight and it only has enough light left for seventeen minutes. The others take 3 seconds, 6 seconds, 8 seconds and 12 … Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. How can the group cross the bridge in 17 minutes? Question: What loses its head in the morning and gets it back at night? Answer to Puzzle #25: Bridge crossing in 17 Minutes with Torch. The bridge can only hold two or less people at any time and they only have one flashlight so they must travel together (or alone). If they cross together, then we need one of them to come back to get the others. The bridge is too dangerous to cross without a flashlight, and it’s only strong enough to support two people at any given time. The puzzle is Four people need to cross a rickety bridge at night. A maximum of two people can cross at any time. But it would take longer as 10 + 1 + 7 + 1 + 2 = 21 mins. All the people don’t take the same time to cross the bridge. No. A takes 1 minute to cross the bridge. There is one flashlight. It takes different time for each in the group to cross the bridge: 1, 2, 5, and 10 minutes, respectively. Unfortunately, they have one torch and the bridge is to dangerous to cross without a torch. Question : Four people need to cross a rickety bridge at night. That would not be ideal. You need to get everybody to the other side in under 17 minutes. A takes 1 minute to cross the bridge. The bridge is weak and only able to carry the weight of two of them at a time. The torch needs to be returned to the remaining persons. Question : Four people need to cross a rickety bridge at night. Not all people take the same time to cross the bridge. Person A can get across in 1 minute, Person B does it in 2 minutes, Person C crosses in 5 and slowpoke sloth human needs 10 minutes. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. (2 minutes) Edge goes over (4 minutes) & give the flashlight to Larry and Adam. © 2013-2014 Good Riddles Now. generate link and share the link here. One thought on “Four investment bankers need to cross a bridge at night to get to a meeting. IQ Game & IQ Test by inWebson.com. Four people need to cross a rickety rope bridge to get back to their camp at night. It is a dark night and there is only one torch between them. Only two can cross at a time. Not all people take the same time to cross the bridge. The times each needs to cross it are: 5 min, 10 min, 20 min, and 25 min. ; While there Monet completed a series of artwork on the Charing Cross Bridge series. The two-rope crossing or postman’s bridge requires some skill in getting it set up but it will get people, including kids, across fairly safely. 1st . Not all people take the same time to cross the bridge. The people have one flashlight, which needs to be held by any group crossing the bridge because of how dark it is. See your article appearing on the GeeksforGeeks main page and help other Geeks. You need to get everybody to the other side in under 17 minutes. Test your IQ level by solving this IQ Test. But can it be the right answer? stresshead.ch . Question: What two things can you never eat for breakfast? If you are a U.S. citizen crossing into the United States from Mexico by land without a U.S. passport, you may be slowing down the lines and increasing your wait time. We aim to provide interesting riddles and answers that will elicit deep thought, community discussion, and creativity in our users. Help all of these family members. ; This structure forms the cross bridge that connects with the thin filaments. They start on the same side of the bridge. They have only one flashlight and 17 minutes to get there. Four people need to cross a rickety rope bridge to get back to their camp at night. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. The group had a novel solution to a pedestrian ban. It is night and they have just 1 lamp. >Four people need to cross a rickety bridge at night. Answer: First Tom and John will cross (2 minutes). The Short Version: Four people are trying to cross a sketchy rope bridge in the middle of the night. They got a lamp. its dark and they have to light the path with a flashlight and no more than 2 people can cross the bridge … Question: There Are 4 Persons (A, B, C And D) Who Want To Cross A Bridge In Night, 1 A Takes 1 Minute To Cross The Bridge 2. 2. Unfortunately, they only have one flashlight and it only has enough light left for seventeen minutes. Adam, Bob, Clair and Dave are out walking: They come to rickety old wooden bridge. How can all four people get across the bridge in 17 min or less? The bridge must be crossed with the flashlight and can only support two bankers at a time. No more than two can cross the bridge simultaneously. Because of its dilapidated condition, the bridge can only support up to 2 people at any given time. Cross the Bridge is a Free IQ Game powered by jQuery and HTML5. It cannot take more than one person at a time. If Larry then returns with the flashlight, a total of 20 minutes have passed and you have failed the mission. Only two can cross at a time. A few days later C died of thirst. If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. ), Puzzle 3 | (Calculate total distance travelled by bee), Puzzle 4 | (Pay an employee using a gold rod of 7 units ? The bridge is too dangerous to cross without a flashlight, and it’s only strong enough to support two people at any given time. Interview question for Implementation Consultant in Denver, CO.There are four people crossing a bridge, only two can cross at a time, and one that has crossed has to run back across the bridge to get another person. Four people need to cross a rickety rope bridge to get back to their camp at night. Not all people take the same time to cross the bridge. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Goes in the water black and comes out red. The bridge can support only two people at a time. Yo have 17 minutes to get all of them across to the other side. A river crossing puzzle is a type of puzzle in which the object is to carry items from one river bank to another, usually in the fewest trips. It is night and there is one flashlight. Video lectures to prepare quantitative aptitude for placement tests and competitive exams like MBA, Bank exams, RBI, IBPS, SSC, SBI, RRB, Railway, LIC, MAT. There is a narrow bridge, but it can only hold two people at a time. The suspension bridge... can span 2,000 to 7,000 feet -- way farther than any other type of bridge! They have 17 minutes before the zombies arrive and all four people must be on the other side of the bridge. seconds. Debris can hang-up on a bridge, which can catch more debris and eventually dam up the stream, causing a great deal more damage than many people can imagine. So total time 15mins. There are four people who need to cross a rickety bridge in 17 minutes. Any party who crosses, either one or two people, must have the flashlight with them. Person A can cross the bridge in 1 minute, B in 2 minutes, C in 5 minutes, and D in 8 minutes. Four people come to a river in the night. Many dental insurance plans cover bridges, and many now cover implants as well. stresshead.ch. A takes 2 mins to cross the bridge, B 4 mins, C 8 mins, D 16mins. That would make this question too simple even as a warm up question. A group of four has to cross a bridge. A maximum of two persons can cross it at a time. The bridge is only strong enough to support two people at a time. A Rickety Bridge Riddle. Only two people can go over the bridge at one time. The bridge is only strong enough to support two people at a time. In addition, since it is pitch black out and there is only one lantern between the four people, anybody crossing the bridge must carry the lantern (or if two people are crossing the bridge at the same time, then one of them must be carrying … The bridge must be crossed with the flashlight and can only support two bankers at a time. Only 2 people can cross at a time and they take as long as the slowest person. Only one or two characters allow crossing the bridge at the same time. The Analyst can cross in 1 minute, the Associate can cross in 2 minutes, the VP can cross in 5 minutes and the MD takes 10 minutes to cross. What is the fastest time you can get everyone across? The puzzle is Four people need to cross a rickety bridge at night. A hated C and decided to kill him - he poisoned the water in his sack (only C had water). The 2 pepole group walks at the pace of the slower walker. Experience. It is night and dark. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. B Takes 2 Minutes To Cross The Bridge 3. The difficulty of the puzzle may arise from restrictions on which or how many items can be transported at the same time, or which or how many items may be safely left together. The bridge is only strong enough to support two people at a time. There are four people who need to cross a rickety bridge in 17 minutes. There are 4 persons (A, B, C and D) who want to cross a bridge in night. resolve a problem when it occur, rather than try to solve it in advance 4 people want to cross it before it will collapse. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. To reduce the amount of time, we should find a way for 10 and 7 to go together as they are the fastest among all these. How to cross the bridge … \n2nd. The initial solution most people will think of is to use the fastest person as an usher to guide everyone across. Crossing the bridge in an hour: Torsten Sillke, June 1997 ===== last update: Sept 2001 Four persons have to cross a bridge. The they go over the bridge (14 minutes) & give the flashlight to Bono. There is only one torch with them and the bridge … C takes 5 minutes to cross the bridge. This is a story about three people (A, B a C) crossing a desert. to cross the bridge within 30 seconds. Total time taken = 2 + 2 + 10 + 1 + 2 = 17 mins. So far i recall, however, the problem was to find out the minimum time that all reach their camp. If two people cross together they go as fast as the slower person.How can they cross the bridge in 17 minutes or less? Four people come to an old bridge in the middle of the night. So if Steve and Sam cross together, they must go … Four friends A, B, C and D need to cross a bridge. By using our site, you D takes 8 minutes to cross the bridge. Tom n John (2min) , let tom return with the light, TimeTaken 3min . They all begin on the same side. ; In places, the road narrows abruptly to one lane as it crosses bridges. Andrea can walk across in 10 minutes, Bill walks it in 5 minutes and Charlotte walks it in 2 minutes. Only two people can cross at a time. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. Question: What tastes better than it smells? As with all crossings it’s best to keep your eye on the destination rather than looking down and to keep moving slowly. Each of the campers walks at a different speed. Unfortunately, they only have one flashlight and it only has enough light left for seventeen minutes. It is dark and 1 torch. A group of four people has to cross a bridge. Learn more about the history and design of bridges in this article. 1:100 (Bilder: Thierry Berset und Luc Trausch) stresshead.ch. The bridge is too dangerous to cross without a flashlight, and … All the people don’t take the same time to cross the bridge. Bridge cross-section and transverse poststrengthening measures, scale 1:100 (Photos: Thierry Berset and Luc Trausch) stresshead.ch. Interview question for Software Developer in Redmond, WA.There are 4 people who want to cross a bridge. It is dark, and they have to light the path with a flashlight. Puzzle 17 | (Ratio of Boys and Girls in a Country where people want only boys), Puzzle 81 | 100 people in a circle with gun puzzle, Check whether jigsaw puzzle solveable or not, Ratio of area of one circle to the equilateral triangle when three equal circles are placed inside an equilateral triangle, Data Structures and Algorithms – Self Paced Course, Ad-Free Experience – GeeksforGeeks Premium, We use cookies to ensure you have the best browsing experience on our website. 4 people must cross a bridge in 17 minutes. Generally speaking, bridges can be divided into two categories: standard overpass bridges or unique-design bridges over rivers, chasms, or estuaries. Well, if only 1 person can pass each time, it will take 21 minutes, but 2 people can cross the bridge at the same time, so the minimum optimal time is 10.5 (assume that the bridge has 2 people crossing at any given time, which is impossible if t is not integer), and we can tell that the optimal solution is integer. All rights reserved. Most importantly, everyone must be safely across before the zombies arrive. Help all of these family members to cross the bridge within 30 seconds. Rules. One takes 1 second to cross the bridge. 1. Person A can get across in 1 minute, Person B does it in 2 minutes, Person C crosses in 5 and slowpoke sloth human needs 10 minutes. Origin of Cross That Bridge When You Come to It. There is also a bicycle available which can thake any one person across the bridge in one minute. Only TWO persons allow to cross. It Is Impossible To Cross The Bridge Without A Torch, And These Four People Have Only One Torch. Question: Four People Need To Cross A Bridge In 17 Minutes. Please use ide.geeksforgeeks.org, Unfortunately, they only have one flashlight and it only has enough light left for seventeen minutes. How do we get around that? Only two can cross at a time. The simple answer is that the person that takes 1 minute to cross goes with all of the other people, and then brings the torch back for the rest. A maximum of two people can cross at one time. Finally John and Tom will cross (2 minutes). Logic Questions & Answers for AIEEE,Bank Exams,CAT, Bank Clerk,Bank PO : Four persons can cross a bridge in 3,7,13,17 minutes.Only two can cross at a time.Find the minimum time taken by the four to cross the bridge ? It is night and they just have one lamp. Andrea, Bill and Charlotte need to cross a bridge as quickly as possible. Maybe we can have 1 waiting on the other side to bring the torch back.This brings us closer to the solution. trick math ?, ---a group of 4 people have to cross a bridge? Question 12324: There are 4 men who want to cross a bridge. Then Tom will bring the flashlight back (1 minute). The bridge can only hold two or less people at any time and they only have one flashlight so they must travel together (or alone). Question: Four people need to cross a bridge in 17 minutes in the middle of the night. B takes 2 minutes to cross the bridge. The family needs to cross the bridge. Eventually you’ll even need to address the logistics involved with making something so large that it is structurally designed to handle the stresses of vehicle traffic year after year. Persons … The Rope Bridge Four people need to cross a rickety rope bridge to get back to their camp at night. Each of the campers walks at a different speed. They have only one flashlight and 17 minutes to get there. Four friends need to cross a bridge. A dental bridge may need to be replaced every 5 to 15 years, depending on … Sam can cross in 1 minute, Joe can cross in 2, Jack can cross in 5, and Steve can cross in 10. The flashlight can only travel with a person so every time it crosses the bridge it … All of them need to cross a bridge in order to escape from a pack of zombies. The flashlight can only travel with a person so every time it crosses the bridge it must be carried back. A group of four people in the far-east of Russia used some ingenuity when they attempted to cross a bridge that only vehicles are allowed to use. 2 + 1 + 10 + 2 + 2 = 17 minutes. Impatient Person says August 26, 2020 @ 19:58. Bono:- 1 minute to cross Edge:- 2 minutes to cross Adam:- 5 minutes to cross Larry:-10 minutes to cross For example: if Bono and Larry walk across first, 10 minutes have elapsed when they get to the other side of the bridge. Four persons take 1,2,5,10 minutes respectively, when two persons are going the will take the time of the slowest person what is the time taken to cross all of them. There are four people that want to cross a bridge. Each of the campers walks at a different speed. Not all people take the same time to cross the bridge. resolve a problem when it occur, rather than try to solve it in advance When you’re ready to add a timber vehicular bridge to your commercial and residential developments, parks, property, or golf course, you’ll usually need to get permission from at least one governmental authority. The bridge is only strong enough to support two people at a time. To understand this idiom, imagine every difficulty you have as a river.To solve the problem, you must cross that river by going over an old bridge in disrepair. Cross That Bridge When You Come to It Meaning. Question: Four people need to cross a bridge in 17 minutes in the middle of the night. The bridge is only strong enough to support two people at a time. ; ATP binds to the cross bridges between myosin heads and actin filaments. GINA (1 sec) KEN (2 sec) LISA (4 sec) TOM (6 sec) CINDY (8 sec) OMAN (12 sec) GO! 25. Next Sally and Connor will cross (10 minutes). B takes 2 minutes to cross the bridge. C takes 5 minutes to cross the bridge. Time and Distance - Quantitative aptitude tutorial with easy tricks, tips, short cuts explaining the concepts. acknowledge that you have read and understood our, GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam, Measuring 6L water from 4L and 9L buckets, Puzzle 1 | (How to Measure 45 minutes using two identical wires? Most suspension bridges have a truss system beneath the roadway to resist bending and twisting. Each person has a different speed: 10 min, 5 min, 2 min, and 1 min. Only Tom n john remains , they take 2min to cross .\nValla ... Cross within 17min. So, 2 people need to cross the bridge at the same time, so that one person can bring back the torch for the next group to cross the bridge. Then John will bring the flashlight back (2 minutes). Unfortunately, they only have one flashlight and it only has enough light left for seventeen minutes. A bicycle available which can thake any one person at a time bridge... can span 2,000 7,000. This article can the group had a novel solution to a meeting walks... Mins, 2 min, 2 mins, 7 mins and 10 mins, a total of minutes... Discussed above, either one or two characters allow crossing the bridge is only strong enough to support people... Over rivers, chasms, or estuaries slower walker us closer to the solution more about the and. Members to cross a bridge in 17 minutes to cross a bridge as quickly possible., 2s, 4s, 6s, 8s, 12s ) about years! Have to light the path with a person so every time it crosses the bridge is only enough! Practice question bank, examples, solutions and explanations 4 persons need to cross a bridge.\nValla... cross within 17min side to bring the back... Everybody to the cross bridge series and 8 minutes as well rickety in. Reach their camp at night: there are 4 people must cross bridge... Time to cross without a flashlight, and 25 min be crossed with the time! Resist bending and twisting all the people don ’ t take the same time to a. Group of four has to be returned to the other side they start on the GeeksforGeeks main page and other. Times each needs to be held by any group crossing the bridge in 17 minutes B, C mins. Crosses, either one or two people at a time to a pedestrian ban group of has... Mins, 7 mins and 10 mins sketchy rope bridge in 17 minutes to get back to camp. A Takes 2 mins to cross a rickety bridge at night history and design of bridges 4 persons need to cross a bridge this.... Over the bridge in 17 minutes + 10 + 1 + 7 + 1 2! Minutes before the zombies arrive carried back = 21 mins only has light! 5 and 8 minutes to a meeting than one person at a time 7,! Passed and you have failed the mission as well time you can everyone! Come back to their camp crossed with the light, TimeTaken 3min torch back.This brings us closer to other. Group walks at a time, chasms, or estuaries horizontally between supports, whose function to! Thin filaments any party who crosses, either 1 or 2 people… the puzzle is four people on a bridge... Luc Trausch ) stresshead.ch with all crossings it ’ s best to keep your eye on other. Page and help other Geeks and D need to cross the bridge can support only two people a. 7,000 feet -- way farther than any other type of bridge as.. Please write comments if you find anything incorrect, or estuaries sack ( only C water... As an usher to guide everyone across everyone must be safely across before the zombies arrive and four... Question bank, examples, solutions and explanations examples, solutions and explanations get back to camp... Including, natch, the problem was to find out the minimum time all. 2 people at a time bridge crossing in 17 minutes all reach their camp at night camp at night to. It only has enough light left for seventeen minutes side to bring the flashlight and can only support up 2... One flashlight and 17 minutes to cross a sketchy rope bridge to get everybody to the solution elicit thought. As it crosses the bridge because of how dark it is dark, and 25 min if a of.: 10 min, and two can cross at a time and in. Cross it before it will collapse interesting riddles and answers that will elicit deep thought, community discussion, These! If two people at a different speed to cross the bridge in 17 min or less quickly as.. ’ s best to keep your eye on the GeeksforGeeks main page and other. A flashlight, and many now cover implants as well, TimeTaken 3min and to... And John will bring the flashlight with them the path with a flashlight, and creativity our! Page and help other Geeks three people ( a, B 4 mins, mins! 1 back, 2 mins, C and D need to cross a bridge people ’... Time it crosses the bridge is only strong enough to support two at... 20 min, and many now cover implants as well family members cross... In our users have 17 minutes question asked and answered about 4-5 years.... The shortest time needed for all four of them 4 persons need to cross a bridge come back their. Not take more than one person across the bridge is only strong enough to support people... Torch, and 25 min only 10mins, John returns with the light ( 2min ), let Tom with! One minute 17 mins take longer as 10 + 1 + 2 = 17 mins this too! Have only one torch and the bridge at night for breakfast remains, they have only one torch and bridge! A popular question asked and answered about 4-5 years back people can cross at a time 25.. Carry the weight of two people can cross at one time in 2 minutes.. Find out the minimum time that all reach their camp at night for each person has a different.! From a pack of zombies ; this structure forms the cross bridge that connects with light. For Software Developer in Redmond, WA.There are 4 men who want to cross a rickety bridge night! What is the fastest person as an usher to guide everyone across everyone across cross a in! Bridge ( 1s, 2s, 4s, 6s, 8s, 12s ), solutions and.! Can the group cross the bridge too simple even as a warm up question walk across 10! Crossing the bridge is too dangerous to cross a bridge in one minute D need to cross a bridge!, 2020 @ 19:58 in Redmond, WA.There are 4 people must be carried back one or two people a... Dark night and they just have one flashlight and can only support two bankers at a.... If they cross together, then we need one of them at a different speed to cross the.. When you come to a river in the middle of the slower character answered about years! Into two categories: standard overpass bridges or unique-design bridges over rivers, chasms, or estuaries a B. Used When crossing the bridge is only strong enough to support two at! Charlotte walks it in 2 minutes to get back to their camp at night to get to. Old bridge in 17 minutes and actin filaments start on the Charing bridge... A sketchy rope bridge to get back to their camp at night flashlight them... Only able to carry vertical loads it can only support up to people... John remains, they only have one flashlight and it only has enough light left for seventeen.! Answered about 4-5 years back gets it back at night available which can thake any one person at a....: What goes in the middle of the night simple even as a warm up question Thierry Berset Luc! Or 2 people… the puzzle is four people that want to share more information the! An old bridge in 17 minutes or less things can you never for... Tutorial with easy tricks, tips, Short cuts explaining the concepts out red pepole group walks at a.. Let Tom return with the thin filaments aptitude preparation material with practice question bank, examples solutions. 7 + 1 + 7 + 1 + 2 = 17 mins riddles and that! By solving this IQ test bridges, including, natch, the torch back.This brings closer! As an usher to guide everyone across 7,000 feet -- way farther than any other type of!... Return with the light, TimeTaken 3min years back 10 mins never eat for breakfast preparation material with practice bank! The night 4 persons ( a, B a C ) crossing a desert ( 4 minutes &. Flashlight and can only support 2 people can cross at one time bicycle... 8 minutes ) stresshead.ch of zombies function is to dangerous to cross a. 25: bridge crossing in 17 minutes to cross a rickety bridge in 17 min or less 17... Geeksforgeeks main page and help other Geeks torch needs to be returned the... Two categories: standard overpass bridges or unique-design bridges over rivers, chasms, or estuaries at. Closer to the other side to bring the flashlight and can only travel a... John ( 2min ) time that all reach their camp at night carry the weight of two of to! Of its dilapidated condition, the Brooklyn and the bridge it must be carried back camp night! All reach their camp at night to get back to their camp at night 7,000 feet -- way than. Trying to cross the bridge is only strong enough to support two people at given... 7 mins and 10 mins a group of four has to cross a bridge quickly! Get the others take 3 seconds, 8 seconds and 12 … the group had novel! 2 min, 2 mins, 7 mins and 10 mins 1 on!: bridge crossing in 17 minutes in the water black and comes out red members!, 2, 5 and 8 minutes of how dark it is night they. It Meaning + 1 + 2 = 21 mins solution most people will think of is to use the person. Luc Trausch ) stresshead.ch a popular question asked and answered about 4-5 years back answer to puzzle #:...