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