Jump to content

Welcome to the new Traders Laboratory! Please bear with us as we finish the migration over the next few days. If you find any issues, want to leave feedback, get in touch with us, or offer suggestions please post to the Support forum here.

  • Welcome Guests

    Welcome. You are currently viewing the forum as a guest which does not give you access to all the great features at Traders Laboratory such as interacting with members, access to all forums, downloading attachments, and eligibility to win free giveaways. Registration is fast, simple and absolutely free. Create a FREE Traders Laboratory account here.

BlueHorseshoe

Puzzles for Traders

Recommended Posts

nope. it is a normal regular bridge you can drive a car over or walk over. the bridge is over a set of railroad tracks.

 

the man is on the train. He walks in the train as the train crosses the bridge.

 

He doesn't even have to be walking

Share this post


Link to post
Share on other sites
the man is on the train. He walks in the train as the train crosses the bridge.

 

He doesn't even have to be walking

nope. remember he went across the bridge and yet went around the bridge at the very exact time and day. The answer is disgustingly simple.

Share this post


Link to post
Share on other sites

Three men are travelling and get tired, so they decide to spend the night at a nearby inn. When they go to the front desk, the innkeeper charges them $30, ($10 each), and the three men go into their rooms and go to sleep. Then the innkeeper realizes that he was only supposed to charge the men $25 total, so he gives $5 to the bellboy to give to the men. But on the way to the men's rooms, the bellboy thinks to himself, "Hey, I've been so good, I deserve some money." So he keeps $2 and gives the remaining $3 to the men. Because they each get $1 back, they paid $9 instead of $10 each. But 3 x 9 = 27. But $30 - the taken $2 = $28. Where is the missing dollar?

 

.........

Patucca - is bridge referring to the card game bridge, and the train, crossing, and around moves? No because you can drive a car across it. :doh:

Share this post


Link to post
Share on other sites
nope. remember he went across the bridge and yet went around the bridge at the very exact time and day. The answer is disgustingly simple.

 

Is it something obscure like the railway tracks are underground and the bridge is above the tracks overground? But I've no idea how you go around the bridge and over it at the same time.

 

Or something even more obscure like it's not quite based in reality, such as in a game (like the card game bridge as Siuya said) or monopoly where there are train stations (but no tracks as far as I know).

 

No idea, really.

 

The thought had crossed my mind that it's a problem with no answer, and we all need to sit in a cave for 300 years thinking about it in order to try to solve it, after which we finally figure out there is no one true answer, and we all figure out the meaning of life.

Share this post


Link to post
Share on other sites
Three men are travelling and get tired, so they decide to spend the night at a nearby inn. When they go to the front desk, the innkeeper charges them $30, ($10 each), and the three men go into their rooms and go to sleep. Then the innkeeper realizes that he was only supposed to charge the men $25 total, so he gives $5 to the bellboy to give to the men. But on the way to the men's rooms, the bellboy thinks to himself, "Hey, I've been so good, I deserve some money." So he keeps $2 and gives the remaining $3 to the men. Because they each get $1 back, they paid $9 instead of $10 each. But 3 x 9 = 27. But $30 - the taken $2 = $28. Where is the missing dollar?

 

.........

Patucca - is bridge referring to the card game bridge, and the train, crossing, and around moves? No because you can drive a car across it. :doh:

 

This is a GREAT thread. And while I've been wrong about every puzzle so far, this last one by SIUYA blew my mind. I keep doing the math expecting it to change and am really looking forward to hearing how the heck it happened.

 

Regarding the bridge, I think the definitions of both "over" and "around" have been left unattended to. Using "around" as in, "are my keys around here?" where the word is just subtext for an area, and using the word "over" literally, as in "above" I think it's a through-arch bridge and if you were to walk on the arch you'd be travelling OVER the bridge while "around" it.

Share this post


Link to post
Share on other sites
Three men are travelling and get tired, so they decide to spend the night at a nearby inn. When they go to the front desk, the innkeeper charges them $30, ($10 each), and the three men go into their rooms and go to sleep. Then the innkeeper realizes that he was only supposed to charge the men $25 total, so he gives $5 to the bellboy to give to the men. But on the way to the men's rooms, the bellboy thinks to himself, "Hey, I've been so good, I deserve some money." So he keeps $2 and gives the remaining $3 to the men. Because they each get $1 back, they paid $9 instead of $10 each. But 3 x 9 = 27. But $30 - the taken $2 = $28. Where is the missing dollar?

 

.........

Patucca - is bridge referring to the card game bridge, and the train, crossing, and around moves? No because you can drive a car across it. :doh:

 

$5.00 divided 4 ways (3 men + the bellboy) = $1.25 each

 

As he only returned a dollar to each of the men, he dragged off $.25 from each = $.75

 

The bellboy's take was $1.25 + $.75 = $2.00

 

The bellboy took $2.00 from the $5.00 owed the men... not from the original price of the rooms.

Share this post


Link to post
Share on other sites
a man came to a bridge that crossed a railroad track. he went across the bridge but yet went around the bridge at exactly the same time. how did he do it?

 

He rode the train, which goes around by crossing under.

Share this post


Link to post
Share on other sites
nope that not it. he crossed the bridge and yet went around the same bridge on the same day at the same exact time. don't feel bad the answer is disgusting simple but i have never had anyone guess it the about 30 years that i've know the puzzle/riddle.

 

OK... last shot. He meandered about the bridge as he was crossing. This fills the "around" word in the puzzle... yet he still walked across the bridge.

Share this post


Link to post
Share on other sites
he walked across the train track under the bridge diagonally.

Thus crossing from one side of the bridge to the other under the bridge and going around it at the same time.

nope he went on top of the bridge ...normal crossing... walking or driving ever which one you desire.

Share this post


Link to post
Share on other sites
Regarding the bridge, I think the definitions of both "over" and "around" have been left unattended to. Using "around" as in, "are my keys around here?" where the word is just subtext for an area, and using the word "over" literally, as in "above" I think it's a through-arch bridge and if you were to walk on the arch you'd be travelling OVER the bridge while "around" it.
what? sh$t..that is a riddle in itself :rofl: it is not the answer. Edited by Patuca

Share this post


Link to post
Share on other sites
When the solution was originally published, if I remember correctly, lots of maths PhDs wrote in to the newspaper to complain. I wonder what percentage of them worked at LTCM at the time? :)

 

BlueHorseshoe

 

I had read about the whole mathematics issues and complaints, and that was never my strong point. I thought a lot of that arguing had to do with the exact wording, and when choices were made etc....either that or the experts in probability really cant agree. the Wikipedia site explains it perfectly

 

The intuitive part usually says you should not swap, but when you think about what the host is doing, then it changes everything.

 

.....................

............................

Re the Room change and $30.....

jpennybags - your final answer is correct "The bellboy took $2.00 from the $5.00 owed the men... not from the original price of the rooms" - the maths you perform is not necessary.

 

...............

The 30,$28 and $2 is a red herring....there is no missing $1

 

The tenants only ever pay either -

$25 the original cost to the manager

$30 the incorrect price

or $27 --- the managers $25+$2 to the bell boy = total $29

ie; the bellboys $2 should either be added to the managers cost, OR subtracted from the total cost.

 

This is how the government accounts for things. :)

Share this post


Link to post
Share on other sites
a man came to a bridge that crossed a railroad track. he went across the bridge but yet went around the bridge at exactly the same time. how did he do it?

 

it was a train track from a model train set. He had a car or foot bridge that crossed the track. He walked over the tracks with the bridge between his legs, making him go across the bridge and around it at the same time with his feet.

Share this post


Link to post
Share on other sites
it was a train track from a model train set. He had a car or foot bridge that crossed the track. He walked over the tracks with the bridge between his legs, making him go across the bridge and around it at the same time with his feet.
LOL :rofl: nope. it is a regular size straight real bridge (say that a real ford pickup could go over) over regular size real train tracks that a real size train can travel on.

Share this post


Link to post
Share on other sites
OK... last shot. He meandered about the bridge as he was crossing. This fills the "around" word in the puzzle... yet he still walked across the bridge.
nope he walked straight or drove straight (if you want to put him in a car) across the bridge. no meandering around.

Share this post


Link to post
Share on other sites

Thoughts...

 

The bridge wasn't a normal bridge, it was a big log floating in the middle of a river, and the man had to go around the log (because it kept rotating round) to keep his balance. So he went across it and went around it at the same time.

 

Or maybe he had some kind of skitzophrenic multiple personality disorder.

 

Or maybe he was a ghost.

 

Or maybe he was a particle, and he was in both places at the same time because he'd not been measured yet.

Share this post


Link to post
Share on other sites
LOL :rofl: nope. it is a regular size straight real bridge (say that a real ford pickup could go over) over regular size real train tracks that a real size train can travel on.

 

my solution woks for the originally stated puzzle.

Share this post


Link to post
Share on other sites
nope he walked straight or drove straight (if you want to put him in a car) across the bridge. no meandering around.

 

The bridge runs from East to West, and he takes a full 24 hours to cross it, by which time the earth will have completed a full revolution so that he will also have travelled around it.

 

???

 

BlueHorseshoe

Share this post


Link to post
Share on other sites
The bridge runs from East to West, and he takes a full 24 hours to cross it, by which time the earth will have completed a full revolution so that he will also have travelled around it.

 

???

 

BlueHorseshoe

 

That reminds me of of this one. A dog is in a pen. A man (or woman) :) walks all the way around the pen. The dog continuously turns to face the person. So has this person walked around the dog since he has only seen the dogs snarling teeth and has not seen the dog's tail?

Share this post


Link to post
Share on other sites
a man came to a bridge that crossed a railroad track. he went across the bridge but yet went around the bridge at exactly the same time. how did he do it?

 

Was he on the train?

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.


  • Topics

  • Posts

    • Thx for reminding us... I don't bang that drum often enough anymore Another part for consideration is who that money initially went to...
    • TDUP ThredUp stock, watch for a top of range breakout above 2.94 at https://stockconsultant.com/?TDUP
    • How long does it take to receive HFM's withdrawal via Skrill? less than 24H?
    • My wife Robin just wanted some groceries.   Simple enough.   She parked the car for fifteen minutes, and returned to find a huge scratch on the side.   Someone keyed her car.   To be clear, this isn’t just any car.   It’s a Cybertruck—Elon Musk's stainless-steel spaceship on wheels. She bought it back in 2021, before Musk became everyone's favorite villain or savior.   Someone saw it parked in a grocery lot and felt compelled to carve their hatred directly into the metal.   That's what happens when you stand out.   Nobody keys a beige minivan.   When you're polarizing, you're impossible to ignore. But the irony is: the more attention something has, the harder it is to find the truth about it.   What’s Elon Musk really thinking? What are his plans? What will happen with DOGE? Is he deserving of all of this adoration and hate? Hard to say.   Ideas work the same way.   Take tariffs, for example.   Tariffs have become the Cybertrucks of economic policy. People either love them or hate them. Even if they don’t understand what they are and how they work. (Most don’t.)   That’s why, in my latest podcast (link below), I wanted to explore the “in-between” truth about tariffs.   And like Cybertrucks, I guess my thoughts on tariffs are polarizing.   Greg Gutfield mentioned me on Fox News. Harvard professors hate me now. (I wonder if they also key Cybertrucks?)   But before I show you what I think about tariffs… I have to mention something.   We’re Headed to Austin, Texas This weekend, my team and I are headed to Austin. By now, you should probably know why.   Yes, SXSW is happening. But my team and I are doing something I think is even better.   We’re putting on a FREE event on “Tech’s Turning Point.”   AI, quantum, biotech, crypto, and more—it’s all on the table.   Just now, we posted a special webpage with the agenda.   Click here to check it out and add it to your calendar.   The Truth About Tariffs People love to panic about tariffs causing inflation.   They wave around the ghost of the Smoot-Hawley Tariff from the Great Depression like it’s Exhibit A proving tariffs equal economic collapse.   But let me pop this myth:   Tariffs don’t cause inflation. And no, I'm not crazy (despite what angry professors from Harvard or Stanford might tweet at me).   Here's the deal.   Inflation isn’t when just a couple of things become pricier. It’s when your entire shopping basket—eggs, shirts, Netflix subscriptions, bananas, everything—starts costing more because your money’s worth less.   Inflation means your dollars aren’t stretching as far as they used to.   Take the 1800s.   For nearly a century, 97% of America’s revenue came from tariffs. Income tax? Didn’t exist. And guess what inflation was? Basically zero. Maybe 1% a year.   The economy was booming, and tariffs funded nearly everything. So, why do people suddenly think tariffs cause inflation today?   Tariffs are taxes on imports, yes, but prices are set by supply and demand—not tariffs.   Let me give you a simple example.   Imagine fancy potato chips from Canada cost $10, and a 20% tariff pushes that to $12. Everyone panics—prices rose! Inflation!   Nope.   If I only have $100 to spend and the price of my favorite chips goes up, I either stop buying chips or I buy, say, fewer newspapers.   If everyone stops buying newspapers because they’re overspending on chips, newspapers lower their prices or go out of business.   Overall spending stays the same, and inflation doesn’t budge.   Three quick scenarios:   We buy pricier chips, but fewer other things: Inflation unchanged. Manufacturers shift to the U.S. to avoid tariffs: Inflation unchanged (and more jobs here). We stop buying fancy chips: Prices drop again. Inflation? Still unchanged. The only thing that actually causes inflation is printing money.   Between 2020 and 2022 alone, 40% of all money ever created in history appeared overnight.   That’s why inflation shot up afterward—not because of tariffs.   Back to tariffs today.   Still No Inflation Unlike the infamous Smoot-Hawley blanket tariff (imagine Oprah handing out tariffs: "You get a tariff, and you get a tariff!"), today's tariffs are strategic.   Trump slapped tariffs on chips from Taiwan because we shouldn’t rely on a single foreign supplier for vital tech components—especially if that supplier might get invaded.   Now Taiwan Semiconductor is investing $100 billion in American manufacturing.   Strategic win, no inflation.   Then there’s Canada and Mexico—our friendly neighbors with weirdly huge tariffs on things like milk and butter (299% tariff on butter—really, Canada?).   Trump’s not blanketing everything with tariffs; he’s pressuring trade partners to lower theirs.   If they do, everybody wins. If they don’t, well, then we have a strategic trade chess game—but still no inflation.   In short, tariffs are about strategy, security, and fairness—not inflation.   Yes, blanket tariffs from the Great Depression era were dumb. Obviously. Today's targeted tariffs? Smart.   Listen to the whole podcast to hear why I think this.   And by the way, if you see a Cybertruck, don’t key it. Robin doesn’t care about your politics; she just likes her weird truck.   Maybe read a good book, relax, and leave cars alone.   (And yes, nobody keys Volkswagens, even though they were basically created by Hitler. Strange world we live in.) Source: https://altucherconfidential.com/posts/the-truth-about-tariffs-busting-the-inflation-myth    Profits from free accurate cryptos signals: https://www.predictmag.com/       
    • No, not if you are comparing apples to apples. What we call “poor” is obviously a pretty high bar but if you’re talking about like a total homeless shambling skexie in like San Fran then, no. The U.S.A. in not particularly kind to you. It is not an abuse so much as it is a sad relatively minor consequence of our optimism and industriousness.   What you consider rich changes with circumstances obviously. If you are genuinely poor in the U.S.A., you experience a quirky hodgepodge of unhelpful and/or abstract extreme lavishnesses while also being alienated from your social support network. It’s about the same as being a refugee. For a fraction of the ‘kindness’ available to you in non bio-available form, you could have simply stayed closer to your people and been MUCH better off.   It’s just a quirk of how we run the place and our values; we are more worried about interfering with people’s liberty and natural inclination to do for themselves than we are about no bums left behind. It is a slightly hurtful position and we know it; we are just scared to death of socialism cancer and we’re willing to put our money where our mouth is.   So, if you’re a bum; you got 5G, the ER will spend like $1,000,000 on you over a hangnail but then kick you out as soon as you’re “stabilized”, the logistics are surpremely efficient, you have total unchecked freedom of speech, real-estate, motels, and jobs are all natural healthy markets in perfect competition, you got compulsory three ‘R’’s, your military owns the sky, sea, space, night, information-space, and has the best hairdos, you can fill out paper and get all the stuff up to and including a Ph.D. Pretty much everything a very generous, eager, flawless go-getter with five minutes to spare would think you might need.   It’s worse. Our whole society is competitive and we do NOT value or make any kumbaya exception. The last kumbaya types we had werr the Shakers and they literally went extinct. Pueblo peoples are still around but they kind of don’t count since they were here before us. So basically, if you’re poor in the U.S.A., you are automatically a loser and a deadbeat too. You will be treated as such by anybody not specifically either paid to deal with you or shysters selling bejesus, Amway, and drugs. Plus, it ain’t safe out there. Not everybody uses muhfreedoms to lift their truck, people be thugging and bums are very vulnerable here. The history of a large mobile workforce means nobody has a village to go home to. Source: https://askdaddy.quora.com/Are-the-poor-people-in-the-United-States-the-richest-poor-people-in-the-world-6   Profits from free accurate cryptos signals: https://www.predictmag.com/ 
×
×
  • Create New...

Important Information

By using this site, you agree to our Terms of Use.