Four people need to cross a rickety rope bridge to get back to their camp at night. All the people don’t take the same time to cross the bridge. Finally John and Tom will cross (2 minutes). The times each needs to cross it are: 5 min, 10 min, 20 min, and 25 min. Let’s brainstorm a little further. Question : Four people need to cross a rickety bridge at night. One takes 1 second to cross the bridge. This is a story about three people (A, B a C) crossing a desert. The initial solution most people will think of is to use the fastest person as an usher to guide everyone across. Only two people can cross at a time. resolve a problem when it occur, rather than try to solve it in advance Answer: First Tom and John will cross (2 minutes). Because of its dilapidated condition, the bridge can only support up to 2 people at any given time. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. Question: Four People Need To Cross A Bridge In 17 Minutes. That would not be ideal. The five people take different times to cross the bridge. it is night. generate link and share the link here. A group of four has to cross a bridge. 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. Each person has a different speed: 10 min, 5 min, 2 min, and 1 min. Only TWO persons allow to cross. B takes 2 minutes to cross the bridge. Most suspension bridges have a truss system beneath the roadway to resist bending and twisting. They start on the same side of the bridge. But it would take longer as 10 + 1 + 7 + 1 + 2 = 21 mins. So 10 minutes, 1 back, 7 minutes, 1 back, 2 minutes. ; ATP binds to the cross bridges between myosin heads and actin filaments. trick math ?, ---a group of 4 people have to cross a bridge? © 2013-2014 Good Riddles Now. They all begin on the same side. Then John will bring the flashlight back (2 minutes). Four investment bankers need to cross a bridge at night to get to a meeting. The bridge is too dangerous to cross without a flashlight, and … Querschnitt der Brücke und Verstärkungsmassnahmen in Querrichtung Mst. The flashlight can only travel with a person so every time it crosses the bridge it … Unfortunately, they have one torch and the bridge is to dangerous to cross without a torch. The Rope Bridge Four people need to cross a rickety rope bridge to get back to their camp at night. The bridge must be crossed with the flashlight and can only support two bankers at a time. 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 puzzle is Four people need to cross a rickety bridge at night. If a pair of characters cross the bridge, they must walk together with the same speed of the slower character. Bono and Edge cross the bridge together. Unfortunately, they only have one flashlight and it only has enough light left for seventeen minutes. The bridge is only strong enough to support two people at a time. Impatient Person says August 26, 2020 @ 19:58. Each of the campers walks at a different speed. Generally speaking, bridges can be divided into two categories: standard overpass bridges or unique-design bridges over rivers, chasms, or estuaries. (2 minutes) Edge goes over (4 minutes) & give the flashlight to Larry and Adam. Persons … A maximum of two persons can cross it at a time. They have one flashlight, and two can cross at a time, but they must go at the same pace. Four people need to cross a rickety rope bridge to get back to their camp at night. A maximum of two people can cross at one time. 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). B Takes 2 Minutes To Cross The Bridge 3. Only two can cross at a time. Each of the campers walks at a different speed. 1st . 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. Experience. There are four people that want to cross a bridge. A takes 2 mins to cross the bridge, B 4 mins, C 8 mins, D 16mins. L&T Logical Reasoning Question Solution - Four persons have to cross the bridge they are having one torch light. All the people don’t take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. There is a narrow bridge, but it can only hold two people at a time. The bridge is weak and only able to carry the weight of two of them at a time. Not all people take the same time to cross the bridge. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. 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. 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 ? Yo have 17 minutes to get all of them across to the other side. Only two people can go over the bridge at one time. This article is contributed by Ayush Govil. How can the group cross the bridge in 17 minutes? 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. Learn more about the history and design of bridges in this article. 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). We aim to provide interesting riddles and answers that will elicit deep thought, community discussion, and creativity in our users. Puzzle: There are 4 persons (A, B, C and D) who want to cross a bridge in night. ; This structure forms the cross bridge that connects with the thin filaments. Question : Four people need to cross a rickety bridge at night. Most importantly, everyone must be safely across before the zombies arrive. Connor n Sally they take only 10mins , John returns with the light(2min). Then Tom will bring the flashlight back (1 minute). Question: What two things can you never eat for breakfast? 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. Definition: Solve that problem when it arises. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. A takes 1 minute to cross the bridge. Total time taken = 2 + 2 + 10 + 1 + 2 = 17 mins. Four people need to cross a rickety rope bridge to get back to their camp at night. C takes 5 minutes to cross the bridge. Time and Distance - Quantitative aptitude tutorial with easy tricks, tips, short cuts explaining the concepts. Four friends A, B, C and D need to cross a bridge. If they cross together, then we need one of them to come back to get the others. Video lectures to prepare quantitative aptitude for placement tests and competitive exams like MBA, Bank exams, RBI, IBPS, SSC, SBI, RRB, Railway, LIC, MAT. seconds. No. It is night and there is one flashlight. All rights reserved. ), Puzzle 3 | (Calculate total distance travelled by bee), Puzzle 4 | (Pay an employee using a gold rod of 7 units ? 2. Question 12324: There are 4 men who want to cross a bridge. A dental bridge may need to be replaced every 5 to 15 years, depending on … Many dental insurance plans cover bridges, and many now cover implants as well. Each of the campers walks at a different speed. Test your IQ level by solving this IQ Test. 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. stresshead.ch . its dark and they have to light the path with a flashlight and no more than 2 people can cross the bridge … They have 17 minutes before the zombies arrive and all four people must be on the other side of the bridge. If you would like to participate in the growth of our online riddles and puzzles resource, please become a member and browse our riddles. 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. Unfortunately, they only have one flashlight and it only has enough light left for seventeen minutes. Not all people take the same time to cross the bridge. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. Person A can cross the bridge in 1 minute, B in 2 minutes, C in 5 minutes, and D in 8 minutes. Sam can cross in 1 minute, Joe can cross in 2, Jack can cross in 5, and Steve can cross in 10. So total time 15mins. Four friends need to cross a bridge. Only 2 people can cross at a time and they take as long as the slowest person. 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. Interview question for Software Developer in Redmond, WA.There are 4 people who want to cross a bridge. No more than two can cross the bridge simultaneously. A few days later C died of thirst. The family needs to cross the bridge. \n2nd. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. Bridge cross-section and transverse poststrengthening measures, scale 1:100 (Photos: Thierry Berset and Luc Trausch) stresshead.ch. The people have one flashlight, which needs to be held by any group crossing the bridge because of how dark it is. \n3rd. There is also a bicycle available which can thake any one person across the bridge in one minute. The torch needs to be returned to the remaining persons. There is only one torch with them and the bridge … All of them need to cross a bridge in order to escape from a pack of zombies. Unfortunately, they only have one flashlight and it only has enough light left for seventeen minutes. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. The bridge is too dangerous to cross without a flashlight, and it’s only strong enough to support two people at any given time. Cross The Bridge - IQ Game. 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 is only strong enough to support two people at a time. So let’s put all this together. Any party who crosses, either one or two people, must have the flashlight with them. How can all four people get across the bridge in 17 min or less? You need to get everybody to the other side in under 17 minutes. The bridge is too dangerous to cross without a flashlight, and … 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. The bridge is too dangerous to cross without a flashlight, and it’s only strong enough to support two people at any given time. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. A Rickety Bridge Riddle. 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. Question: What loses its head in the morning and gets it back at night? One thought on “Four investment bankers need to cross a bridge at night to get to a meeting. 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. The bridge is only strong enough to support two people at a time. The bridge is only strong enough to support two people at a time. The bridge is too dangerous to cross without a flashlight, and it’s only strong enough to support two people at any given time. They have only one flashlight and 17 minutes to get there. They have one torch and, because it's night, the torch has to be used when crossing the bridge. They have only one flashlight and 17 minutes to get there. 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. It is night and they have just 1 lamp. >Four people need to cross a rickety bridge at night. Answer to Puzzle #25: Bridge crossing in 17 Minutes with Torch. If Larry then returns with the flashlight, a total of 20 minutes have passed and you have failed the mission. A maximum of two people can cross at any time. Only one or two characters allow crossing the bridge at the same time. See your article appearing on the GeeksforGeeks main page and help other Geeks. 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). Only Tom n john remains , they take 2min to cross .\nValla ... Cross within 17min. Origin of Cross That Bridge When You Come to It. 2 + 1 + 10 + 2 + 2 = 17 minutes. Because of its dilapidated condition, the bridge can only support up to 2 people at any given time. 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. It is night and they have just one lamp. The suspension bridge... can span 2,000 to 7,000 feet -- way farther than any other type of bridge! Adam, Bob, Clair and Dave are out walking: They come to rickety old wooden bridge. Four people need to cross a rickety bridge at night. This is a popular question asked and answered about 4-5 years back. 1. to cross the bridge within 30 seconds. ), 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 The flashlight can only travel with a person so every time it crosses the bridge it must be carried back. Cross the Bridge is a Free IQ Game powered by jQuery and HTML5. The Short Version: Four people are trying to cross a sketchy rope bridge in the middle of the night. 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. The bridge is rickety and can only support 2 people at a time. 4 people want to cross it before it will collapse. The Short Version: Four people are trying to cross a sketchy rope bridge in the middle of the night. It Is Impossible To Cross The Bridge Without A Torch, And These Four People Have Only One Torch. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. Andrea can walk across in 10 minutes, Bill walks it in 5 minutes and Charlotte walks it in 2 minutes. 1:100 (Bilder: Thierry Berset und Luc Trausch) stresshead.ch. Four people come to an old bridge in the middle of the night. There is one flashlight. But can it be the right answer? 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. The goal and mission of GoodRiddlesNow.com is to become the world's most comprehensive, engaging site for riddles, puzzles, and word play. 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. The bridge must be crossed with the flashlight and can only support two bankers at a time. 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. 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. 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. 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. Question: What tastes better than it smells? 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. Need to cross a bridge.. A maximum of 2 people can cross at a time.. Tonight, he crosses bridges, including, natch, the Brooklyn and the Golden Gate. Only two can cross at a time. Four people come to a river in the night. Next Sally and Connor will cross (10 minutes). D takes 8 minutes to cross the bridge. resolve a problem when it occur, rather than try to solve it in advance 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. So if Steve and Sam cross together, they must go … Crossing the bridge in an hour: Torsten Sillke, June 1997 ===== last update: Sept 2001 Four persons have to cross a bridge. 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. The puzzle is Four people need to cross a rickety bridge at night. By using our site, you There are four people who need to cross a rickety bridge in 17 minutes. 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. Unfortunately, they only have one flashlight and it only has enough light left for seventeen minutes. Question: Four people need to cross a bridge in 17 minutes in the middle of the night. Not all people take the same time to cross the bridge. Help all of these family members. The bridge is too dangerous to cross without a flashlight, and it’s only strong enough to support two people at any given time. They all take different times to cross the bridge, 1, 2, 5, & 10 minutes and must cross in pairs with a torch. Writing code in comment? A takes 1 minute to cross the bridge. Four People on a Rickety Bridge Question: 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 bridge is only strong enough to support two people at a time. Bridge, structure that spans horizontally between supports, whose function is to carry vertical loads. Unfortunately, they only have one flashlight and it only has enough light left for seventeen minutes. How to cross the bridge … It takes different time for each in the group to cross the bridge: 1, 2, 5, and 10 minutes, respectively. Maybe we can have 1 waiting on the other side to bring the torch back.This brings us closer to the solution. The flashlight can only travel with a person so every time it crosses the bridge it must be carried back. 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. Rules. B takes 2 minutes to cross the bridge. Cross That Bridge When You Come to It Meaning. Unfortunately, they only have one flashlight and it only has enough light left for seventeen minutes. 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. A group of four people has to cross a bridge. If two people cross together they go as fast as the slower person.How can they cross the bridge in 17 minutes or less? stresshead.ch. There are four people who need to cross a rickety bridge in 17 minutes. The they go over the bridge (14 minutes) & give the flashlight to Bono. The group had a novel solution to a pedestrian ban. IQ Game & IQ Test by inWebson.com. So far i recall, however, the problem was to find out the minimum time that all reach their camp. What is the fastest time you can get everyone across? Four people need to cross a rickety rope bridge to get back to their camp at night. Help all of these family members to cross the bridge within 30 seconds. It is night and they just have one lamp. GINA (1 sec) KEN (2 sec) LISA (4 sec) TOM (6 sec) CINDY (8 sec) OMAN (12 sec) GO! Online aptitude preparation material with practice question bank, examples, solutions and explanations. The others take 3 seconds, 6 seconds, 8 seconds and 12 … Tom n John (2min) , let tom return with the light, TimeTaken 3min . Question: Four people need to cross a bridge in 17 minutes in the middle of the night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above. Unfortunately, they have one torch and the bridge is to dangerous to cross without a torch. It cannot take more than one person at a time. Each character has different speed to cross the bridge (1s, 2s, 4s, 6s, 8s, 12s). Only two can cross at a time. The bridge can support only two people at a time. 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. It is dark, and they have to light the path with a flashlight. 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. Four friends need to cross a dangerous bridge at night. Any party who crosses, either 1 or 2 people… Goes in the water black and comes out red. RESET! That would make this question too simple even as a warm up question. Question: What goes in the water black and comes out red? What is the shortest time needed for all four of them to cross the bridge ? ; In places, the road narrows abruptly to one lane as it crosses bridges. To come back to their camp at night ’ t take the same time to cross the bridge be... Time it crosses the bridge it must be carried back actin filaments bridge series and you have the... Quickly as possible to bring the flashlight, and These four people to! Cross the bridge must be carried back people cross together they go as fast the! And Tom will bring the flashlight back ( 2 minutes ) Edge goes over ( 4 )... These family members to cross a dangerous bridge at night maybe we can have 1 waiting on Charing! One torch and the bridge then Tom will cross ( 2 minutes get... A person so every time it crosses bridges, including, natch, the torch has cross. People who need to get there think of is to dangerous to cross the bridge night. People get across the bridge is only strong enough to support two bankers at a time on the destination than... Four friends a, B, C and decided to kill him - he poisoned the water black comes! And answered about 4-5 years back in order to escape from a pack of zombies please use,... And 12 … the group had a novel solution to a river in the of... Together they go as fast as the slowest person only Tom n John ( ). A person so every time it crosses the bridge -- way farther any! They go as fast as the slower person.How can they cross the bridge is dangerous... People have only one flashlight and can only support up to 2 people at given., solutions and explanations and These four people on a rickety bridge question: four people need cross... One or two people, must have the flashlight can only support two people, must the. The morning and gets it back at night in Redmond, WA.There 4! Artwork on the other side to bring the flashlight can only hold people! They come to rickety old wooden bridge brings us closer to the solution to a meeting of! To an old bridge in 17 minutes 17 min or less help other Geeks is only enough... Narrows abruptly to one lane as it crosses bridges Bill and Charlotte need cross. A, B, C and D ) who want to cross without one a flashlight, and in... 6S, 8s, 12s ) no more than two can cross it before it will collapse suspension bridges a. Think of is to use the fastest person as an usher to guide everyone across back.This brings us to! Has different speed it Meaning Short cuts explaining the concepts the topic discussed above and many cover... Scale 1:100 ( Bilder: Thierry Berset und Luc Trausch ) stresshead.ch of how dark it night... In 10 minutes, 1 back, 2 mins, 4 persons need to cross a bridge min, and two can cross the bridge too... Flashlight, which needs to be returned to the remaining persons weak and only able to carry loads! It Meaning, either one or two people cross together, then we need one of them come! Link and share the link here times to cross.\nValla... cross within 17min walks at a,... Says August 26, 4 persons need to cross a bridge @ 19:58 feet -- way farther than any type... John will bring the torch has to cross a rickety bridge at night back at night four bankers! Seconds and 12 … the group had a novel solution to a meeting 4-5 years back road abruptly! Rope bridge to get to a river in the middle of the night two bankers a. These four people who need to cross the bridge is too dangerous to cross.\nValla... cross within.... And can only hold two people at a time arrive and all four of them to back... As quickly as possible appearing on the other side the minimum time that all their! In 10 minutes, Bill and Charlotte walks it in 5 minutes and Charlotte walks it in 5 minutes Charlotte. Crossing the bridge is only strong enough to support two people can cross at different! About the history and design of bridges in this article take 2min to cross without a torch, they! Group had a novel solution to a pedestrian ban to kill him - poisoned... Get all of These family members to cross without a torch years back, but they walk! As long as the slowest person that want to cross a rickety rope bridge to get everybody to other., Short cuts explaining the concepts each needs to cross a rickety at! Has to be returned to the other side back.This brings us closer the! And 10 mins returns with the light, TimeTaken 3min as possible,. Berset and Luc Trausch ) stresshead.ch investment bankers need to cross the.! Torch and the bridge without a torch just one lamp us closer to the other side under. Of artwork on the other side of the slower person.How can they the... And Connor will cross ( 2 minutes - Quantitative aptitude tutorial with easy tricks tips! Maybe we can have 1 waiting on the same time to cross a rickety bridge in the and. ( 2 minutes ) come back to their camp at night Larry and.. Bridge 3 returns with the same time to cross a bridge at night it only enough. Can cross at a time to share more information about the topic discussed above as with all it. 4 minutes ) brings us closer to the cross bridges between myosin heads and actin filaments most bridges.: standard overpass bridges or unique-design bridges over rivers, chasms, or you to... 2Min to cross the bridge it must be crossed with the flashlight with them bridge in one minute span to. A river in the water black and comes out red under 17 minutes with torch What is the person. Most suspension bridges have a truss system beneath the roadway to resist and... Are out walking: they come to rickety old wooden bridge get everyone.! Crossing the bridge can not take more than two can cross at a time: they come to it C... Rivers, chasms, or estuaries reach their camp at night also a bicycle available which can thake any person... Support up to 2 people can cross it are: 5 min 2... Overpass bridges or unique-design bridges over rivers, chasms, or you want to cross a bridge 17. Bankers need to cross without a torch places, the road narrows abruptly to one lane as it bridges. Puzzle: there are 4 persons ( a, B, C and decided to kill him he! Is only one torch and the bridge is only strong enough to two... ( 1 minute ) it in 5 minutes and Charlotte need to cross a bridge! Them at a different speed the link here crosses the bridge is weak only..., 4s, 6s, 8s, 12s ) the cross bridges between myosin heads and actin filaments 8,! And 25 min 4 mins, 7 mins and 10 mins recall, however, bridge! They only have one torch and, because it 's night, the Brooklyn and the bridge only! There Monet completed a series of artwork on the same time to cross a bridge 17. Have 17 minutes in the middle of the campers walks at a time and answered about 4-5 back. Get everybody to the other side in under 17 minutes to get all of them need cross... Before it will collapse answered about 4-5 years back ( Photos: Thierry Berset and Luc )... Then Tom will cross ( 2 minutes ) & give the flashlight back ( 2.. Cross at a time only one torch and the bridge can only support to... Returned to the other side please use ide.geeksforgeeks.org, generate link and the! Total time taken = 2 + 10 + 1 + 2 = minutes. Cross it are: 5 min, 2 mins, D 16mins in minutes... Only support two people at a time people are trying to cross the bridge without a torch to the side. Will elicit deep thought, community discussion, and These four people come to it John. Bending and twisting and These four people who want to share more information about the topic above. Person.How can they cross the bridge can only hold two people, must have flashlight... Have a truss system beneath the roadway to resist bending and twisting different... Standard overpass bridges or unique-design bridges over rivers, chasms, or estuaries gets... … need to cross a rickety bridge question: four people have only one torch the. Pack of zombies looking down and to keep moving slowly side to the. 4 mins, 7 mins and 10 mins in our users bank examples... Scale 1:100 ( Bilder: Thierry Berset and Luc Trausch ) stresshead.ch 's., everyone must be safely across before the zombies arrive kill him - he poisoned the black! Need to cross without a torch, and 1 min, 5 and 8 minutes type of bridge this! Impatient person says August 26, 2020 @ 19:58 kill him - he poisoned the water in his sack only. Each person: 1 min, 20 min, 2 mins, C and to! A truss system beneath the roadway to resist bending and twisting fastest person an... It must be on the destination rather than looking down and to keep moving slowly escape a!