![]() The plan was to fill the hold with swordfish and return within a month or so, but that depended on the crew’s luck. 20, 1991, the Andrea Gail left port in Gloucester, Mass. I'm sure there are other versions too.Chillup89/ Youtube The Andrea Gail at port. As they travel down a burning staircase one must carry a fire extinguisher. I've also seen this problem written with A fireman, an athlete, an old woman and a drunk guy escaping a burning house. However, if you regard these questions as interview preparation then an understanding of the 10 minute argument can do you no harm at all. (I have seen a version that specifically says a pair will walk at the speed of the slowest one.) Always with these puzzles it is a matter of extracting the logic of the puzzle from the more verbose real world metaphor and that is my interpretation. I personally don't think that this is the solution intended, not least because the question specifically asks you to show it can be done in 17 minutes but also because I believe the torch or flashlight is intended to bind the travelling pairs together. ![]() ![]() This solution satisfies the criteria that there are never more than 2 people on the bridge and the torch is always on the bridge whilst someone is crossing. Adam, Bob & Clair will be done in 8 minutes and Dave will be done in a further 2. Each continues at their own pace so in 1 minute Adam has reached the other side and one of the others can begin to cross say Bob(2), when he reaches the other side Clair(5) can begin to cross. ![]() The solution is to have Dave(10) carry the torch and begin to cross with any of the others lets say Adam(1). This however, is not the case, the quickest time is achieved by having Clair(5) and Dave(10) cross together.įor simplicity Adam, Bob, Clair and Dave will be know as (1), (2), (5) & (10) respectivelyĪlternatively the second move can be (2) returning with the torch, the times are the same.Įric Bowman E-Mailed me with a 10 minute solution. ![]() Initially most people would tend to assume the the quickest way is to have Adam (1) carry the torch and do all the running. Before reading the answer can I interest you in a clue? ![]()
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