Unfortunately, they only have one flashlight and it only has enough light left for seventeen minutes. Maybe we can have 1 waiting on the other side to bring the torch back.This brings us closer to the solution. 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. 2 + 1 + 10 + 2 + 2 = 17 minutes. ), 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 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. Four people need to cross a bridge in 17 minutes in the middle of the night. Four investment bankers need to cross a bridge at night to get to a meeting. Unfortunately, they only have one flashlight and it only has enough light left for seventeen minutes. What is the fastest time you can get everyone across? A hated C and decided to kill him - he poisoned the water in his sack (only C had water). Bridge cross-section and transverse poststrengthening measures, scale 1:100 (Photos: Thierry Berset and Luc Trausch) stresshead.ch. Four people need to cross a rickety bridge at night. Each character has different speed to cross the bridge (1s, 2s, 4s, 6s, 8s, 12s). They have only one flashlight and 17 minutes to get there. Four friends A, B, C and D need to cross a bridge. ; ATP binds to the cross bridges between myosin heads and actin filaments. 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. Only two people can cross at a time. Not all people take the same time to cross the bridge. Question : Four people need to cross a rickety bridge at night. The bridge must be crossed with the flashlight and can only support two bankers at a time. Finally John and Tom will cross (2 minutes). resolve a problem when it occur, rather than try to solve it in advance Four people come to a river in the night. Writing code in comment? C takes 5 minutes to cross the bridge. 4 people must cross a bridge in 17 minutes. C takes 5 minutes to cross the bridge. Question: Four people need to cross a bridge in 17 minutes in the middle of the night. 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. Four People on a Rickety Bridge Question: Four people need to cross a rickety bridge at night. It takes different time for each in the group to cross the bridge: 1, 2, 5, and 10 minutes, respectively. This is a story about three people (A, B a C) crossing a desert. Four people need to cross a rickety rope bridge to get back to their camp at night. So far i recall, however, the problem was to find out the minimum time that all reach their camp. Generally speaking, bridges can be divided into two categories: standard overpass bridges or unique-design bridges over rivers, chasms, or estuaries. Definition: Solve that problem when it arises. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The Short Version: Four people are trying to cross a sketchy rope bridge in the middle of the night. Interview question for Software Developer in Redmond, WA.There are 4 people who want to cross a bridge. It is night and they have just 1 lamp. A maximum of two persons can cross it at a time. Querschnitt der Brücke und Verstärkungsmassnahmen in Querrichtung Mst. Only two can cross at a time. It is night and they have just one lamp. Connor n Sally they take only 10mins , John returns with the light(2min). The bridge is only strong enough to support two people at a time. No. They all begin on the same side. Next Sally and Connor will cross (10 minutes). seconds. 2. Experience. 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. Then John will bring the flashlight back (2 minutes). Question: What tastes better than it smells? How can all four people get across the bridge in 17 min or less? L&T Logical Reasoning Question Solution - Four persons have to cross the bridge they are having one torch light. They start on the same side of the bridge. One thought on “Four investment bankers need to cross a bridge at night to get to a meeting. Unfortunately, they only have one flashlight and it only has enough light left for seventeen minutes. Because of its dilapidated condition, the bridge can only support up to 2 people at any given time. 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. The bridge is only strong enough to support two people at a time. 1:100 (Bilder: Thierry Berset und Luc Trausch) stresshead.ch. Tom n John (2min) , let tom return with the light, TimeTaken 3min . The flashlight can only travel with a person so every time it crosses the bridge it … 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. 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. Andrea can walk across in 10 minutes, Bill walks it in 5 minutes and Charlotte walks it in 2 minutes. There are four people who need to cross a rickety bridge in 17 minutes. Rules. By using our site, you 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 … If a pair of characters cross the bridge, they must walk together with the same speed of the slower character. 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. Not all people take the same time to cross the bridge. What is the shortest time needed for all four of them to cross the bridge ? 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 maximum of two people can cross at one time. The family needs to cross the bridge. (2 minutes) Edge goes over (4 minutes) & give the flashlight to Larry and Adam. 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. © 2013-2014 Good Riddles Now. 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. Question 12324: There are 4 men who want to cross a bridge. Four people need to cross a rickety rope bridge to get back to their camp at night. GINA (1 sec) KEN (2 sec) LISA (4 sec) TOM (6 sec) CINDY (8 sec) OMAN (12 sec) GO! This is a popular question asked and answered about 4-5 years back. 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