Frazz: I'm sorry. What was the question again?
Student: Now it's: Why are 40% of story problems and country songs about trains?
The official math problem of TV Land, meant to resemble grade school mathematics problems. "If train A leaves Tropetown at 11:00 towards Idiomopolis that is 32 miles away, moving 50 miles an hour, while train B leaves from Idiomopolis towards Tropetown at 60 miles an hour at 11:30..."
The question is either:
Student: Now it's: Why are 40% of story problems and country songs about trains?
— Frazz
- When/if the two trains will reach a certain location,
- The number of passengers at time/place Z (where at each station, the movement of people on and off the train is described with bits of math),
- Completely irrelevant to the setup details,
- Where/when the two trains will meet, in which case, it is almost certainly Denver.
Examples:
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Anime & Manga
- Parodied, like everything else, in Bobobo Bo Bo Bobo.
Narrator: Pop quiz: If Train A is going 600 miles per hour and Train Bo is going 1,100 kilometers per hour, how long before my head explodes?
Comedy
- Endlessly parodied by satirists when given any opportunity to put the boot into the people running the train service.
Comic Books
- Very common in Zipi y Zape, where they get those as assignments half the time and one entire long story is set around solving one. They do this when they aren't asked simple multiplication. Which they have trouble with anyway.
Comic Strips
- In one Far Side strip, titled "'Math Phobic's Nightmare'", has a man at the gates of the Fluffy Cloud Heaven, with an angel asking him this question.
- Calvin and Hobbes:
- Calvin's method for answering a question of this sort at school is to turn it into a Film Noir detective mystery in his head. It doesn't quite work, as the answer he comes up with is "a billion". In his defense, Calvin is six, and shouldn't have to tackle that kind of problem anyway.
- He gets another variant of the problem later, this time with two cars driving down the highway at 5PM. After thinking about the problem for a few seconds, he simply says, "Given the traffic at that hour, who knows?" To be fair, he's not exactly wrong.
- We get to see it in Frazz here, but then it turns into a country song.
- FoxTrot did one where Jason listed all the "assumptions" he had to make to give them the answer they wanted (such as the train remaining on the track, not going "as the mole digs", all clocks being accurate, ignoring relativistic effects, etc.)
Films — Live-Action
- In Waynes World 2, in a vague dream sequence: "Ask me a question", "Ok, if a train leaves a station...", "No, a question about your life"
- Mentioned during Roman Moronie's trial in the movie Johnny Dangerously.
Maronie: That's a farging trick question!
- Used in Deskset with Spencer Tracy and Katherine Hepburn; once seriously, a second time as a joke when they were all a little tipsy during the Christmas Party.
- The problem is poked fun at with a non-train variant in Sky High as something of a Funny Background Event. Will is having a quiet, introspective moment while his friends are in the background doing homework.
Ethan: Your hero flies north at 300 miles per hour for 15 minutes. His archenemy is tunneling south at 200 miles per hour for 10 minutes. Assuming your hero has X-ray vision, how long before he realizes he's going the wrong way?
- This type of question is in the SAT in The Perfect Score. It's actually plot relevant as reading this question makes Erika become obsessed with who the girl on the train is and where she is going which causes her to not finish the exam.
Literature
- A variation of this problem, using riverboats instead of trains, is faced by Lawrence Pritchard Waterhouse when he joins the navy in Neal Stephenson's Cryptonomicon. He answers with a multi-page dissertation on the problem, attempting to take into account such variables as the speed of the current at different points of the river and the effect it has on the absolute velocity of the vessels. This isn't Obfuscating Stupidity of any kind; the actual Train Problem is so beneath his genius that it doesn't occur to him that it could challenge anyone, so he honestly assumed that he was supposed to consider the effects of the current on the vessel and the windspeed on its cross-section. He sends a copy of his answer to a mathematics quarterly and gets it published. Meanwhile, the navy has put him in the ship's band because their standardized test has shown he's too dumb to do anything else.
- The Dodecahedron presents a similar puzzle to Milo, Tock and the Humbug in The Phantom Tollbooth, but one that contains cars, roads, and insufficient information. Tock solves it anyway.
- One of the Shadowrun short stories in Wolf & Raven starts out with Wolf about to be run down by a car, and feeling like he's trapped in "one of those math problems".
- A (nonfiction) book parodies of one of these was used to demonstrate how the two hemispheres of your brain work: (paraphrased)
- "Train 1 leaves (City A) towards (City B) at 10:45 and travels at 55 miles per hour, while Train 2 leaves (City B) towards (City A) at 11:15 and travels at 45 miles per hour. How much is the lunch special on the second train?"
- Dave Barry's Guide to Marriage and/or Sex has this quiz question on "Family Crises," which takes a walking variation and makes the numbers irrelevant to the question:
Bill and Denise are a young married working couple with no children. One day they set out from Reno, Nevada, on foot at exactly 4:30 P.M. Bill walks three miles per hour and rests for ten minutes each hour, while Denise walks at exactly two miles per hour without stopping. After a couple of days they are both dead from scorpions. Which of the following statements most closely matches your feelings regarding this?
A. It serves them right.
B. I hear Reno is quite nice.
C. I myself prefer a moister climate.
Live-Action TV
- This happened at one point on Dharma and Greg.
- Sabrina the Teenage Witch also used it, with the added twist that she had to then prevent them from colliding... with her house. (She fails)
- One of the characters on the The Wire tries to use one of these questions (substituting cars) for his 8th grade math class, but cannot finish the question because the students demand to know what types of cars they are and what neighborhoods they left from.
- In an earlier season, a juvenile drug runner can't solve a Train Problem, but when it's recast in terms of drug purchases and resupplies, he answers it perfectly. When asked to explain this, he replies, "Count be wrong, they fuck you up."
- On Saved by the Bell, one of these problems turned up on the SAT.
- Star Trek: Enterprise "Shuttlepod One" Trip starts rattling off a Train Problem while trying to determine what's wrong with the pod, only to exclaim that he never could work those kind of questions out. Our Chief Engineer, ladies and gentlemen. SF Debris was greatly annoyed at this event. The chief engineer of Earth's most advanced starship can't do one-dimensional algebra.
- In the episode of NCIS where Abigail Breslin guest stars, a hostage is being held somewhere near railroad tracks and the team's hacked web cam tells them when a train passed her. When they start doing the math to figure out where the train was at that time, Tony admits he'll have to apologize to his high school math teacher, whom he told he would never have to use this problem in Real Life.
- Mock the Week: "A Virgin train is traveling at 120 miles per hour between London and Manchester, at what time will it be canceled?"
- "If a train is travelling at 60 miles an hour, how surprised would you be?"
- In an episode of All in the Family, after a little girl was added to the cast, she is attempting to do a math problem in which a person called A is running at a certain speed, and B is running after them trying to catch up. She asks Archie to help her, only for him to announce that B will never catch A, because "B was chasing A when I was a kid, and if she hasn't caught him by now, she never will."
Music
Radio
- Adventures in Odyssey: Connie reads some kids in Whit's End a riddle about an electric train that involves the speed and direction of the train and of the wind. The question is, in which direction is the train's smoke blowing? The answer, of course, is that electric trains don't have any smoke. Connie explodes when the kids don't get it.
- Often pondered by the navigation officer, Sub-Lieutenant Phillips, on The Navy Lark (among many other things, including references to Noddy's Big Book of Boats). The answer is usually, "Left hand down a bit."
Video Games
- In Undertale, Mettaton throws one of these at you during his quiz show. Since you have only 30 seconds to read the whole thing and come up with an answer, it's somewhat absurd to expect the player to actually solve it — which might be your cue to notice that Alphys has been sneakily showing you the correct answers with her fingers.
Visual Novels
- Larry Butz of Phoenix Wright: Ace Attorney mentions that he's terrible at these problems when he's trying to change the subject to avoid a question.
Web Animation
- One Homestar Runner sick filler had Homestar subbing in for Strong Bad's "word problem" and using one of these, involving two trains entering a tunnel at four miles per hour.
Homestar Runner: At what time do they reach Poughkeepsie?
Web Comics
- Played with in this strip of A Modest Destiny, with a problem involving "Horse A", "Horse B", "Stop C", "Rider Z", "Cow Q", "Town LMNOP", "fuzzy dice J" and "coffee C".
- One of the strips in the Jackie's Fridge universe has Miss Masters teaching at 'Coleman Elementary', and she starts to use this problem on her kindergartners, stops, and rephrases it to "If J.Lo and Ben Affleck leave their respective movie shoots, and head toward each other, going x MPH..." etc. The class can solve that one.
- Irregular Webcomic! 1611
- Parodied in one ''Cyanide & Happiness]] strip:
"I've been doing some thinking. If you're eight months pregnant... and we only met six months ago... [[{{Metaphorgotten and I'm on a train travelling at 50 miles an hour... and you sold me three apples... then where the hell are my apples?]]
- Biter Comics: A boy fails to answer the problem in time and is faced with the consequences of his negligence.
Western Animation
- The 2nd episode of The Simpsons, "Bart the Genius," had it as one of the questions on the intelligence test. Complete with Dream Sequence.
- Done in one episode of Dog City with two protagonists tied up on the bridge that both trains would soon cross.
- One of the questions used in Darkwing Duck to overload the brain of a super-genius who used a special ray gun to increase his IQ when he had a clear head. DW and Launchpad bombarded him with questions while they fired the ray at him, causing his head to a-splode.
- In an episode of Clone High dealing with mandatory testing, a Magical Truckdriver gives Gandhi a Train Problem - actually a Trucker and Randy Housewife Problem, asking him to calculate where the two could meet for a "guaranteed" encounter.
- This was the question that caused Doug to fail a math test.
- When Oscar Proud decided to help his daughter with her math homework in The Proud Family, this question comes up. He concludes that both trains will meet at the crash site.
- An episode of The Grim Adventures of Billy & Mandy had a temporary intelligent cat (It Makes Sense in Context...kind of) trying to tutor Billy with a problem like this, but Billy's more worried about what color the train is and who's on it ("Can it be clowns?"), rather than anything relevant to the problem.
- The Powerpuff Girls once had to face one of these problems in order to figure out where a train collision might occur. As they struggle to find an answer, Blossom delivers a solution: "We're superheroes! Let's just find the two trains and stop them!"
- Him also gives Blossom this riddle in a Your Worst Nightmare scenario he's conjured for her, as her worst nightmare is failing an upcoming test. The question following the set-up is, "Which train will get to Cuba first?"
Blossom: Neither — trains don't go to Cuba!
- Him also gives Blossom this riddle in a Your Worst Nightmare scenario he's conjured for her, as her worst nightmare is failing an upcoming test. The question following the set-up is, "Which train will get to Cuba first?"
- In one episode of Big Guy and Rusty the Boy Robot, Rusty ends up fighting an enemy in cyberspace- the Quark building's mainframe, to be precise. In order to buy him some time until Big Guy can be uploaded and help out, Dr. Slate freezes the computers (And the action) by inputting one of these problems into the system. She reveals that that she got kicked out of a computer club for doing that.
- A question like this came up in a cutaway in the Family Guy Episode, "Mr. Griffin Goes to Washington":
Gang Member 1: It's three o'clock. Where the hell is Louie?
Gang Member 2: Well, you tell me. Louie left his house at 2:15 and had to travel a distance of 6.2 miles at a rate of 5 miles per hour. what time will Louie arrive?
Gang Member 1: Depends if he stops to see his ho.
Gang Member 2: That's what we call a variable!