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Google Interview Puzzle | Poisonous Milk Bottle | Simple yet Tricky
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- Опубликовано: 15 мар 2019
- You are most welcome to share puzzle, math problems or any topics for upcoming videos.
Gmail : logicreloaded@gmail.com
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You are trapped in a room with no food.
After 2 days, You are given 4 bottles of milk.... out of which one bottle is poisonous.
For testing, there is a rat to which you can feed samples of milk and try to find out which bottle is poisonous.
But the challenge is that the poison takes effect exactly after 10 hours from feeding.
And you have only 24 hours in your hand....
whithin which you must consume 3 bottles of milk to satisfy your hunger... else you will die.
PUZZLE:
What strategy would ensure that you drink 3 bottles of milk within 24 hours.
Note : You have a timer with you.
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Just drink all the bottles of milk and save yourself from a career at Google
@@helmydewa that would be easier, but you overlook the fact that you are in Google headquarters doing an interview. There is no escape other than drinking all the milk.
Master stroke dude
@@helmydewa "BING"? That's a weird way of spelling DuckDuckGo...
There's only soy at Google
@@joshb6993 yuk. Typical Google. Up on fashion down on substance 😀
I don't think this is anywhere near the difficulty of a google interview question.
Also what job would you be applying for where they would ask you to solve a riddle? Like I imagine programmers get asked programming questions and engineers get asked engineering questions, etc
It goes something like this "Are you willing to sell your soul to Satan corporate?"
@@scottorban7203 literally every single software engineering job interview will give you some kind of logic question. software engineering is like 1% actually coding lmao
@@scs44444 I dont believe you
@@scottorban7203 aight cool but anyone who works in the industry will tell you the same thing. Programming is all about solving puzzles, coding is relatively easy. Especially with the resources we have available on the internet. Any idiot can write some code, but a great engineer is someone who can create the solutions, not just copy them.
Interview question for a Job in PETA would be like "You have 4 bottles out of which 3 are poisoned and you have to feed a cute rat. What would you do?"
Imagine you die after drinking the first Bootle and your cat die after drinking the second bottle
😀😀
Cut off a finger, give it to the rat. Then drink all the liquid because I work for PETA.
I will check those bottles feeding those employees
Love the solution. Just to account for any inconsistent effects, I would wait 2 or 3 hours between feedings
Looks like optimized is actually 4hr 40min. See my post for explanation :-)
I was thinking the same thing
Me, too. A one-hour interval is rather arbitrary.
I would wait 3.5 hours. Saying that the poison would take affect in 10 hours is probably an average with some variation. Using an interval of 3.5 hours would reduce the risk due to the variation in the time until the poison takes effect. The third bottle would be administered at 10.5 hours, giving me a safety margin of 3.5 hours until 24 hours for the third bottle.
Lol. you're just being asked to think logically here... No poison in the world is like an ON-OFF switch that'll exactly kill you in 10 hours while remaining without any symptoms till 9 hr 59 min. You can also simply say I'll just feed a sample and look at symptoms after a few hours.. But this is not the real world, what's being tested is your logical thinking. 1 hr isn't arbitrary, that's the smallest unit of time here that can be measured.
The answer is I die regardless because I'm lactose intolerant
Same
It's quite a shame.
yep
rats are too
You could drink the rat
Just make sure you don't drink the poison milk last so that you can remove the poison effect by drinking milk
Minecraft haa
Google: stay exactly where you are
Now thats someone who knows his bussiness
BIIG BRAAIIINNN
@@IAm_DavidB yeaaa it's big brain time
The answer is simple. Just GOOGLE which bottle is poisonous and drink another three!
Google interviewer: FUCK, HE IS GOOD
Underated comment
google- sorry we cannot reveal answer as it is interview question
I would drink 3 and if i realize that one of them is poisonous i would drink the last one because minecraft taught us that milk heals poison
@Reliable Gutters absolutely 😂
I was going to write the same
rat: am i a joke to you??
Lol😆😆😆
Nice one
😂😂😂
Gives the rat the 4 th bottle anyways
@@sheldonspl2712 dead😂🤣😂... Literally....😂😂
Drink all the milk at night so the poison is asleep
Underrated joke
*Genius.*
You deserve more likes!
What if we use 100% of our brains
@@sinfinite4 We do use 100%, just not all at the same time. That's why whenever I have a seizure I can do things I never could regularly. I almost broke my wife's hand from squeezing it too hard during a seizure.
The answer was so simple I thought I misunderstood the puzzle when I found it. But nope, that's the answer. Disappointing.
Had the same feeling. I was expecting him to come with a crazy solution, when he said, you need to think out of the box...
Same for me
Yet practical. It was an interview question, and maybe they want candidates who don't overthink it.
Right? This seems like a question made to try and emulate a FAANG or MBB interview
I did the same solution, except with a bit more spacing (0, 5, and 10 hrs for feeding the first 3 samples). I know the problem says EXACTLY 10 hours but I'm a biochemist... and no poison is THAT exact. Spacing the samples out allows for more variability in the actual duration between dosing and death, and still gives plenty of time to identify the poisoned bottle.
Yep, I also had the Idea of how Toxic it is how the absorption Rate is affected by thinning the Solution with non-poisonous Milk.
Why risk poisoning yourself from drinking milk, when u can eat the rat to cure ur hunger?
Most children watching this don't understand the life sciences enough to make a decent choice you are one of them that rat might sate your hunger for a few hours IF COOKED while you'll still be in pain OR DEAD if raw furthermore hunger is not part of the equation
The question is sculpted to create comfortable imagery in what is the wrong direction (milk, rat). These are distractions in the question meant to allure you away from logic. It's a nice question but it's presented in an overly pacified manner for me. The answer is too obvious because of the lack of constants. There is only one constant, the amount of time it takes for the poison to take effect. Then one control, the amount of time you have to hypothetically use these resources to solve the problem. What is the most efficient way to recognize this, statement. This is the underlying purpose of logical deduction in complex ways but only two ways. This question is structured in an abductive nature but asks the reader to solve it using any logic they wish. All in all, its a nice entry level critical thinking problem.
brainlessbastardbb drink the rat blood😂
@@foxleo6729 the real question why are you desparate enough to drink milk if ur hungry dont be hungry
@@kinknow7261 That is a rather simple and quick way to avoid from the problem, permanently. But not solve what's been asked.
It says “what strategy would ensure that you drink 3 bottles of milk within 24 hours” ez drink three random ones, it never says you have to live
I mean, you're not wrong...
I don't think anyone would hire a dead man, but I might be wrong.
Even if you do, you don't die until 10 hours after 😎
It says 1 is poison.. 3 of them are milk.. 4 bottles total.... meaning one bottle is not of pure milk so it can not be a "bottle of milk" so if you drank 3 random and died you failed to drink 3 bottles of milk but instead 2 bottles of milk and a bottle of poisonous milk.... sooo.. your logic fails you! Lol
Yeah they want ghosts to code for them.
Great idea mathematically, in reality though if that rat dies in 10.5 hours you’re screwed
Let give
1st bottle at 0 hr
2nd at 5
3rd at 10
So you will get results in 20 hrs
@@pratham_4355 I would go with 4 hours difference to be able to test all bottles - look at my comment above with explanation
We dont had clock, why this answer is good?
@@Mr4hitch we had, watch it again
yeah, my timing was every 3 hours before I watched. Then I watched it and though... ohh dur, you could wait just 1 hour instead of 3. But then reading this, yeah 3 hours ensures better estimation guesses
Me: "Seems like you'd test the bottles an hour apart and note the time"
Everyone in the comments: "Mix two bottles, and if the rat dies, you know it's one of those, so you can take your rat and bring it back from the dead and test again with it"
If rat dies once how can u make it alive
@@chillwithcode2987 r/ woosh
With timer,he could have given less time between two takings
Mix two bottles, if the rat dies, just test one of those with another rat.
@@KevinBui1111 if there are more than one rat why not feed 4 rats at once 😂
FOOLS! I've spent the past five years building up an immunity to iocane powder.
nice
INCONCEIVABLE
This needs more likes.
Yeesssss
Gr3nadgr3gory AHH HAHHH AHHH HAHHH AHHH HAA- *plops over dead on ground*
This was the easiest riddle I’ve heard seen on RUclips 😂😭
I thought this riddle was weak as well
DJ Rodgers idk how people thought this was hard. You could literally do them like 10 minutes apart which was my idea and save yourself the like 2 and a half hours
So many geniuses in the comments 😂
Google: you want a scholarship nigga?
Same this was wayyyy too easy
Can this be a solution ?
Here I feed from 2 bottle to the rat
after 10 hrs if rat dies we know its from that two bottle if not its from next two
after that feeding 1 bottle from next 2 bottle and we can find out the poisonous bottle
I think that you only have one rat, so if it dies from the first combo, u wont know which bottle caused the death
Thomas Astley That makes sense
@@Vandel96 oh yeah😅
completely missed that one
@@Vandel96... So you drink the two safe ones and test one of the potential poisonous ones, you still have 14 hours left
I guessed similarly but it says rat not rats.
Give the rat a combo of 1&2. If it lives after 10 hrs you know both are good. Then give it bottle 3. If it dies then 3 is poison if it lives 4 is poison.
If it dies after 1&2 you know one of them is poisonous. Feed it just 1. If it dies 1 is poison if it lives 2 is poison.
That's how I did it.
Same
You only get one rat, and if it died of poison from either 1 or two, you do not get another chance to test the bottles. bad risk.
LOL. How you feed the rat with bottle 1 if it died after drinking 1&2? :)))
If I just poured the milk out and ate the bottles do you think I’d get the job
LOL
Skip that and eat the rat
@@Sheen1049 ;-;
Job? No
Hospital billing? If you're very lucky
I'd hire you. That's some high level confidence at least.
I instantly figured the answer. Wheres my job google??
Mine 2
Me too
Same
Same Here.
I guess riddle was for kids.
I am at wrong video.
Very easy
1) I agree, and appreciate, that the optimized solution is one where the rat has a 25% of living too!
2) That being said...rat metabolisms are different than ours...if this was IRL, I would probably leave 2 hours between each feeding, and feed it all four bottles, just in case. Still only takes 16 hours.
3) I'm so happy I (eventually) got this one, and I'm going to share it with my super-smart 6th graders to see if they can crack it too! :)
Combinations do work though. Say you have bottle 1, 2, 3 and 4.
First you give the rat a sample of 1 and 2. If the rat dies after 10hrs, either 1 or 2 is poisonous. If not, either 3 or 4 is poisonous.
Say it dies: 1 or 2 is poisonous.
Give the rat a sample from bottle 1. If it dies after 10hrs (in total 20), 1 is poisonous, if not, then 2 is.
If the rat didn't die after the first 10hrs, you give it sample 3. If it dies, 3 is poisonous, if not, it's 4.
There is a comment like this above..
Consider:
I give sample 1 and 2 to the rat. After 10 hours, it dies. *The rat is dead*
Since the rat is dead, now I have no way to test whether bottle 1 or bottle 2 is poisonous.
@@creepah7 yeah actually after I posted this comment I saw someone mention this. Went right over my head
With a color like that, they’re all poisoned.
No, there badham milk :)
Remember, hippo milk is pink
It's pineapple milk
Its a pee milkshake
Its a pee milkshake
Plot twist: The rat acts dead on the very first milk bottle.
😁😁😂
😅
Now it became harder 😂😂
Hahah Rat maybe smart enough and want to work in goggle as well then there might be chances of this lol😉😉😉
People: Why did you failed your interview at Google ?
Me: Because of a rat
Mix milk from 2 bottles and feed to mouse. If he doesn't die after 10 hours. It means those 2 bottles are not poisoned so you can drink milk from those 2 and now you have 14 hours remaining so you can check for remaining 1.
If in starting case, if rat died then it means that remaining 2 bottles are not poisoned and now you can drink milk from those remaining bottle .
And now again you have 14 hours remaining so you can check non poisoned bottle (which were selected at first)
I'm second case if rat already died how will you check 2nd pair
Khelo dimaag se
The only tricky thing about the problem is your brain immediately wants to think about how poison might actually take effect realistically, which could vary in time, so we feel as though we need to omit the given "fact" that it "ONLY takes effect AT 10 hours."
Hour 0 feed the rat bottle one
Hour 1 feed the rat bottle two
Hour 2 feed the rat bottle three
Hour 3 feed the rat bottle four.
You will have the answer when you time 10 hours after each feeding which will tell you the poisonous bottle. Mathematically you should have an answer in 13 hours.
I’m more concerned about drinking three bottles of warm milk that have been sitting around for 13 hours.
No need to wait until hour 13, if the rat lives past hour 12 you know it's bottle four anyways.
Also they didn.t specify the volume of bottles, might also be like a shot
Psst, no need to wait an hour between feeding. Just wait like 5 minutes.
@@unclecreepy7025 The hour between times is just a safety buffer. In case the 'exactly' comment was less accurate than represented.
Logically there’s no need for a safety buffer if the riddle tells you exactly 10 hours. And if you’re suppose to figure in a buffer, just test a bottle at the start (0 hr), 6.25 hr mark, and 13.5 hr mark. The 4th bottle doesn’t need to be tested because if the rat is alive after 23.5 hours, you know it’s the poisonous one. And you’ll have 30 minute buffer for the 3rd bottle and time to drink.
The answer they were obviously expecting was: *"Wait let me just google that real quick!"*
@@helmydewa i use duckduckgo btw
Lol 😂.under rated comment
*"Wait, let me google that with Bing real quick"*
I literally thought of the solution within 2 seconds. Then wondered if I did not understand the problem ...
This question was amazingly easy when he mentioned it’d take exactly 10 hours…
you could literally just feed the rat samples 10 minutes apart if you kept track of the time
same for me..i found this so easy, that i thought i have a mitstake in my solution.
Agreed. It becomes much more interesting when you try to optimize for potential margin of error on the 10 hr poison and on you dying at exactly 24 hrs
There is a label underneath the bottle saying poisonous. Wtf google
Alexa, which bottle is poisonous?
- you start monday!
Take a 23 and a half hour nap, wake up, stretch, and hope to God you are a good guesser.
Me: See title, confused what's the tricky part
Him:People would think the rat only can drink 2 bottles
Me:??? Why the heck would I think that 😂
us vro us :)
With that solution, at the end you wouldn't have three complete bottles, as the rat would have drunk a little bit. So you'd have less than three bottles.
google- correct! that was the trick! you are hired
My solution:
The answer is in the riddle. It says one is poisoned. So you drink 2, 3, and 4 because 1 is poisoned. No need to test on the rat or wait 10+ hours.
rebelliousbynature99 My god, someone hire this man
@@lyzder7298
And with riddles, there is often a play on words or grammar. It would be perfectly acceptable to count "bottle one, bottle, two, bottle three, bottle four" or "one bottle, two bottle, three bottle, four bottle". Thus making "one bottle" equivalent to "bottle one". So when it is revealed that one is poisonous at the end, we already know that because the answer is in the question.
@@lyzder7298 then there are autists like me who would just go "just don't drink the bottle itself, but the milk"
Nah, it says 'one BOTTLE' not 'one'.
Harvard: Do you want a scholarship?
So I can get a job with Google if I solve this 4th grade puzzle?
Wow, look guys! We have a fuckin genius in the comments!
Wow, look guys! We have a fuckin genius in the comments!
Wow, look guys! We have a fuckin genius in the comments!
Wow, look guys! We have a fuckin genius in the comments!
Wow, look guys! We have a fuckin genius in the comments!
If the rat has had some milk, you haven’t got three good bottles to save yourself
I thought of this:
- Pour 2 bottles of milk in the first hour (since the poison takes effect after 10 hours). It'll have 50% chance that the poisoned bottle is there.
The outcome:
1. If the rat dies when the time comes(0-10h), that means one of the bottle is the poisoned one.
-Do the same thing, but take one bottle since you have 14h left.
-In the next 4 hours you have time to drink other bottles :D
2. If the rat doesn't die, do the same thing for the bottles you didn't choose. but pour only one bottle.
Video say that combination is not valid , but from problem question is valid.
Feed the rat from 2 bottles to start--one feeding an hour earlier than the other. If nothing happens after 11hrs, then one of the two remaining bottles is poisoned. If the rat dies within 11hrs, one of the 1st two bottles is poisoned (and you can drink the other 2).
Nothing happens: Feed the rat from 1 of the last 2 bottles. If it lives, the last remaining bottle is poisoned. If it dies, the bottle you just fed it from is poisoned. You now know which three are good to drink.
The rat dies in the first try: You drink the other 2 bottles that haven't been tested, and--based on whether the rat dies at the 10hr or 11hr mark, you drink the opposite bottle from what killed the rat exactly 10hrs after it drank from it.
That's exactly what I was thinking too!
Daniel Kilby Yeah that’s what I was thinking as well.
One flaw: if nothing happens, then you have wait another 10 hours which is not efficient.
Claw4Grip Yeah he wasn’t *fully* optimized with his answer but hey it still works and at least it lets him have something to pay attention to while he’s locked in a chamber with milk and a rat :p
Feed him him all four bottles right away at hour interval's,mark time for each,hour ten, bottle one is poison, hour eleven, bottle two is poison, hour twelve,bottle three is poison, hour thirteen, bottle four is poison, you will have,12,13,or14 hours to relax and drink you're milk depending on you're marks!!! A little quicker!!!
Day 34: still waiting for him to reveal the tricky part.
The problem is flawed, because it says you have to drink 3 bottles within 24 hours. Basically meaning that unless you consume a certain amount of milk in 24 hours then you will die. There is no fluid measurement specified other than the measure of “bottle”. For example if a bottle contains 500ml, then that means you have to consume 1500ml, not 1499ml. Similarly it means 3 bottles, not 2.99999 bottles. Since one of the bottles is poisoned and you can’t consume any of that, to fulfill the ‘rules’ of the problem you’d have to consume ALL the other bottles, but if you need to remove some for sampling then you are unable to consume 3 full bottles yourself.
If this ‘rule’ can be broken, then you can simply let the rat try one bottle, and if it doesn’t die after 10 hours then you know that is fine, so pour two of the unopened bottles down the drain and divide the good milk into the 3 bottles and then drink it (what?! - it doesn’t specify FULL bottles)
One addendum I would make to the solution. If rat is alive after hour 10, begin drinking the first bottle then. Then repeat at the other hour intervals, provided the rat survives. If he dies, just skip that bottle and drink the others. This further optimizes the solution because the last part of the riddle is to drink three bottles of milk. Also, if someone is hungry, there's no way anyone would simply let a perfectly fine bottle of milk just sit there, especially if he knows it's safe after having tested it.
What if the rat is lactose intolerant, and doesn't drink any of the samples?
why to wait for an hour.. 5min difference is enough this is more optimized 😅
@IBHANAN M then u r asked to take 3 bottles within 24 hrs or u will die so if ur first 3 bottles have poison rat dies and u can't figure it out which one is poisonous and next u will also die😏😏
@IBHANAN M we have to drink 3 bottles read properly first
@IBHANAN M Ab kabhi Google ke liye apply mat karna. Blocklist kr diya
Jaibalaj bhai tab tho 1min difference aur bhi optimized hogaya na😅
Lol what if u misswd to observe the rat at the time of its last breath
In very optimized short time
My idea was to make a small mixture from bottles 1-2 and feed it to the rat. If after 10 hours it is fine, I know the first two bottles are safe, test a third, and then I can eliminate the poisoned bottle. Holes in my logic, but I gave myself 30 seconds and my tiny rat brain could only come up with that. Your solution is much better, well done:)
I followed the same approach
There’s no flaw. I used the exact methodology.
@@mkultrak8226 problem is, you have only one rat, can't test twice
Yeah if the rat dies with the first combo, no way to test the other bottles.
@@JohnAndrew6549u don't need the other combo. U need one of the bottles from the first combo
Depending on the precision of the poison's effect time window, you could test and drink n = ((24 - 10)/w) - t * ((24 - 10)/w) bottles where w is the precision window in hours and t is the time it takes to drink each bottle assuming you always have a stomach of n * (volume of each bottle) capacity.
The real question is why is the milk yellow? Or are you even drinking milk?
Cum
It’s butter milk. Enjoy 3 gallons of butter.
Maybe it's Galaxy's edge milk
Milk is yellow because it's been sitting around in room temperature for hours.
@@cpsof ahh good old lack of TCS or TPHC
I would slam the first bottle on top of the rat. Which means that bottle had to be poisonous; since it killed the rat.
@@jonathanwood8847 what she said? she deleted her comment
@@knight_23 honestly no idea
🤦😂
It's big brain time
Could you divide the bottles to 2 groups and then feed the rat with 2 bottles at the same time?
If the rat dies after 10 hours then we just need to feed the rat again with 1 bottle from the first group and if the rat doesn't die that means the remaining bottle of the first group is poisonous
I know this is not the optimized solution if it works since it took 20 hours, but do my strategy works?
We can categorise them into two groups. N feel from the first group. Wait 10hrs n if it dies. Drink the other two n vice versa. N then repeat it again for the remaining two.
My answer before seeing the actual answer legit was "just drink any 3 bottles right before the 24 hours end. Even if you drank the poisonous milk, you've undeniably drunk 3 bottles of milk within 24 hours".
Lefrave 😂😂😂😂bravo ur genius even after death
Dude Ur Amazing
You have selected for nowhere
Makes sense it's not like the poison gonna kill u if u get the medication
Savage !!!
My brain: eat the rat
Corzappy Amazon would like to offer you a job.
There’s nothing tricky about this. You have a timer. If the 10 hour disparity between ingesting the poison and succumbing to the poison is finite? This is super easy.
Simply administer small doses to the rat in two hour increments. Mark the time you administered each. Which ever one is poisonous will kill the rat in exactly 10 hours with a two hour disparity.
Meaning in 12 hours if the rat is alive you may drink the first bottle. In 14 hours the second. 16 hours the third. This is assuming that he drank the poison bottle last. If it any point he succumbed prior to 16 hours you would know which was the poison bottle and could consume the remaining two immediately.
Stringently avoiding cross-contamination would be incredibly important. Meaning you would have to make absolutely certain that he consumed milk from one bottle and only one bottle at the allotted time.
It seems impossible to me, because if by chance you give the rat any of the good milk you will have less than 3 bottles of good milk left, and you are required to drink 3 bottles of good milk within 24 hours.
Now, I am searching the guy who put poison in the milk......otherwise I would have working in GOOGLE... LOL..
Oh shit this is my first legit solved a puzzle on RUclips. Nobody cares bout it but I feel proud of myself.
Same! 😁
Rat: no thanks, i’m not hungry
I have a question ❓
If it happens as it showed like last bottle is poison and how can a man drink milk ? Still he will die because he has only 2 options 1 is either drink last poisoned milk or die from hunger because he said he had 24 hours if he doesn't drink he will die
Google: What strategy would ensure you drink 3 bottles of milk within 24 hours?
Me, an intellectual: Just drink 3 bottles at random within 10 hours.
Drink them all when there's 9 hrs left
Brigham richins that was my first thought. I would’ve asked, “do you need to stay alive?”
Will that rat wait 10hrs at one place?? hmm ..... Thinking. ...:)
I came up with a different solution, feed 1 and 2 to rat, if fine on 10th hour feed just 1 of 3 or 4. If live 3 it's 4 if not it's 3. If not fine on 1 and 2, feed just one of them, by feeding say 1 and fine must be 2, vice versa. By the 20th hour you have the solution to consume the bottles before 24h
Feed him two samples at once, of he dies then focus the next test on only one of the bottle you will have your answer. The only problem is is there only one rat..
I assumed the gap of 5 hrs 😂. Anyway the logic worked
Even I assumed for 5 hrs
Same... Then realised 6 hour delay is even better optimised, as poison won't be that precise and want to minimise overlap of error bars. Solution in video "wrong" because we wouldn't know how to interpret rat dying at 10:30.
Same. Better be safe than sorry.
Hmm... You won't be testing one bottle then, but ok process of elimination I guess
Same here 👍
Answer can be these too : what if I test two bottles let's say 1st and 2th at starting , now if rat dies one of these two bottles is poisonous ( so I can drink 3rd and 4th) and I have still 14 hours to test which bottle is poisonous ( 1st or 2 nd). And if rat doesn't die when 1st and 2nd bottles are tested ( it means 1st and 2nd are non poisonous) and then you have enough time to test 3rd and 4th bottle
What if rat dies in testing the mixture of 1st and 2nd (u will have 3rd and 4th) but now u will not able to say in between 1st and 2nd which on js poisonous since the rat already dies.. (and u simply can't survive by having two bottles)
And what will u do u have time, bt no rat for testing..
Ohhh poor rat ...😛
Same idea
Your right
Yes I too cracked the puzzle with same solution and I think it's correct too😊😊 Google please call me or else I am wasting my talent in playing pubg😂😂
You can't test another time genius, the rat's dead.
I just thought it was poisonous,but might not be deadly so I would just chug 3 bottles
I came up with a conclusion that seems to work just fine.
Group the bottles into pairs in whatever way you like and in each pair, name one bottle A and the other B. Since it _doesn't_ mention the milk counteracting the poison in anyway or that mixing the substances is dangerous or beneficial, we can _assume_ that mixing them when there's poison in one will still lead to death. Keep this in mind. Feed both A samples to the rat at whatever time interval you wish apart and wait for 10 hours or 10 hours plus the amount of time between the two feedings to see if it dies.
If it does, then that means the poison is in either one of the A bottles, meaning that both the B bottles are safe for drinking. Therefore you'd have drank 2 bottles now. Based on whether the rat died in 10 hours or the 10 hours plus the time interval, you'll know which is poisonous and which isn't between the A bottles and can therefore drink the right one.
If it doesn't, the poison is most definitely in one of the B bottles, leaving both A bottles safe to drink. This result would be unfortunate because you'd have to repeat what you did with the A bottles to the B bottles to see which one is poisonous (or you just feed the rat _one_ and see if it dies or not - its death meaning that the bottle you fed it was poisonous and its survival meaning the bottle you fed it was safe) but you'd have a safe confirmation of whether the milk is safe or not.
Plus, it only said within 24 hours. 'Never said it had to be time efficient.
This channel:"it's a logic puzzle, you have to think logically!"
Also this channel:"the poison will take effect at EXACTLY 10 hours, regardless of body composition or volume consumed. Also, it works exactly the same on a rat."
Honest
I think you are confusing logic with accuracy to the physical world. Two very different things. Something can be logical relative to certain definitions or axioms or assumptions which may or may not be true. That's why logicians talk about possible worlds so much. Take this for an example.
Suppose Berlin is in Australia and Australia is in the US. It logically follows that Berlin is in the US. This is a valid conclusion despite all statements being wrong. It is perfectly logical but total BS at the same time ;-)
Someone doesn't know what logic actually is
You think you're so cool, thinking of stuff that others haven't even considered. Get past it. Your logical ability looks even weaker than that of the maker of this "puzzle".
It doesn't claim to take 10 hours on a human, just the rat. It may be that it would take 10 hours considering the composition of the rat in question
Would rather drink 3 bottles of milk at 23rd hour and straight way run to a doctor for the cure of poison 😂😂
Exactly what I was thinking.
Why do u waste 23 hours
I would drink 3 bottles of milk instantly
_ qaXser _ why three? Let's have four
@@shreyamukherjee2886 3 bcoz if u r so lucky u can pay less doctor fee (only for checking, not curing)
_ qaXser _ 😂
minecraft players be like : yeah i know milk will remove poison
Easy-Peasy I solved it!!!
I've got an idea give 1 sample to the rat if the rat did not die after 10 hours that bottle is safe, give two samples having a gap of hour to the rat if he doesn't die then consume these two milk bottle and if he dies then if the rat dies at the 20th hour don't drink the bottle given first and if he dies at 21th hour just drink the earlier given bottle at last drink the last bottle
Hence the three bottles will be consumed 3 hours before the deadline.
I got it . Sooo easy. I must have been a google employee 😒🤔
Dude, believe me as I am an employee.
People post all sorts of things in the name of big companies. The point here I guess was to make people realise that getting into Google is possible. And not think it unachievable
i also got it
what? i feel so sad for you😂😂😂
Dear Sir , We like to offer you a job in Google as Google user , our deepest apology for missing out your job application.
With Thanks,
Google HR,
Mr. Alex
Ikr
Another solution!
Mix B1 and B2 then after 10 hrs you left with 2 choices ...either B1 has poison or B2 ......if not then B3 or B4 and in remaining 14 hr you have to test only 1 bottle
I thought same
Dexter D this is the first solution came into my mind and seems legit. And I guess even less complicated than given solution.
@@NishantNaik2191 this is indeed very less complicated solution...😀😄
@@SnowBarry It doesn't work, becaus you need to drink three ENTIRE bottles. By doing this, You would only be able to safely drink the equivalent to two, thus dying from thirstiness.
@@NishantNaik2191 It doesn't work, because you need to drink three ENTIRE bottles. By doing this, You would only drink two, thus dying from thirstiness.
Feed the rat 30 minutes apart mark the time, discard poisonous bottle based on when rat dies. If it’s the first bottle, it’ll happen 10 hrs later, 2nd 10 hrs 30 minute, 3rd 11 hours later, if it hasn’t happened at 11 hours it’s the 4th. Have 13 hours to spare
Thanks for sharing such cool logic puzzles, keep it up!
Or even, just feed the rat from 3 to 3 hours, and take notes of time.
*rat dies and I mix up the bottles accidentally*
Me:
😁
Congrats, you are selected at Yahoo!
Again start the process for next 12 hours with new rat 😂😂😂
@@misterfreedom42 🤣🤣🤣
🤣🤣🤣
I like the way he stoped with 3 bottles and tried to save the rat
The poison filled bottle have more milk so which bottle have more milk that is poisones 😂😂😂
*Hungry* ...?
Grab a *Snikers*
Hungry...?
Grab a Snikers
@@shreyamchatterjee9025 Dada o bolte chaye snickers
Hotel?
Trivago
Hotel?
Trivago
You know
*Mentos*
*Dimag* *ki* *Batti* *Jala* *de* 😂
Just click the "I'm feeling lucky" button and things will work out.
Edit: thanks everyone. I've never had so many 'likes before'.
Immediately thought, “this isn’t hard. Just stagger the feedings.”
I could work for google apparently.
Actually, combination works too... If you mix bottle one and bottle two and wait for ten hours and the rat dies, you know that bottle three and four are not poisonous. Then you take either of bottle one or two and feed it to the rat. If it dies, the particular bottle is poisonous. Therefore, you have 3 safe bottles of milk to drink in 20 hrs. Also, I’d say that timing the serving of milk at different times would be hard to pull off, because the setting said that you are in a dark room deprived of food. So that means you probably have no sense of time. Follow my advice and live :)))
@AD BRO, first point you said made sense but in the last you seem to lost all the senses, as I don't hear saying it is dark room & plus he has said that you have the timer so one must have sense to have sense of time.
nitin agrawal ahh my bad guess I missed that part
If you combine bottle 1 and 2 and give it to the rat, and the rat dies, you know either 1 or 2 is poisonous; but, the rat now being dead, you can't test which one of those two bottles it was. The combination strategy only works if you get lucky and don't poison the rat with bottle 1 and 2.
*I would just eat the rat and wait till the help from 911 arrives.*
Nagesh Pattanshetty best answer bro . definitely u will get a job in google 😅😅
We got the BEAR GRYLLS😂😂
Salute
Cleaver
@@vijayraj7845 Bear Grylls, XD
What if the rat refuse to drink the milk? I never heard of people force feed a rat before...just thinking
🤣🤣🤣🤣😂🤣
inject it into him easy
I don’t understand why mixing different bottles of milk doesn’t feet?
For example, you mix milk from bottles #1 and #2, and give this mixture to rat. Wait for 10 hours, if rat don’t die, that means that poison isn’t in bottles #1 and #2. Then, for example, you give a milk from bottle #3. Wait 10 hours, if rat die - poison was in bottle #3, if not - you can say for sure, that the poison is in bottle #4.
My first guess: give a sample of bottle 1 at the start. Sample of bottle 2 at 30 minutes, and two more samples separating those. Use the timer to see which bottle causes the poison. The 30 minute timer can be tweaked, of course.
Edit: _Yeah_ your solution does it with 1 hour and also omits checking bottle 4.
Solved within the min. Couldn't be Google's question
@@kajacx Don't over think it, read the question and solve it
In less than 2 mins I'd got the answer. Google come employ me ✔✔
Rat dies of heart attack in the first hour.
Me : 👁️👄👁️
What if the rat fakes a premature death thus killing you?
I thought of another answer.Feed bottles 1&2 at 0 hour.Get the result and drink two edible bottles .Then test one of 2 bottles
Vengatesh Vengi you have only one rat
In your first trial you killed the rat
The second trail is not possible in a dead rat
I also thought of this probability 😂
You have only one rat. Lol xD
It will take more time
Finally i found someone who thinks like me.
But the problem is we have only 1 Rat. 😂😂😂😂
This doesn’t work, if one of the first two bottles is poisoned, the rat will die and you will not know which bottle killed it. This solutions requires chance, the correct solution does not.
I got it straightaway! But I fed the bottles after a gap of 2 hrs! Hm!
Good question, nonetheless.
Same bro
I solved
I thought of the same but in half an hour
Optimised! Depends on what you want to optimise. You can do it in two tests an get more milk.
In practice you would leave a two or three hour gap between dosing the rat as you might have a resilient rodent in the room.
Me after instantly drinking 3 random bottles of milk....
*Mr.Stark.....I don’t feel so good* !! 😟
Won't the milk mix?
Will the rat be able to digest it?
Lmao give all the milk to the rat
This solution is most efficient with time. But if you need to ensure the maximum amount of milk remaining, you can use more time by feeding once at 0 and if the rat doesn't die at hour 10 then test second bottle, wait an hour test third bottle. That way you may only end up testing one bottle thereby having 3 full bottles to drink. Yes, this doesn't make a HUGE difference but when you're going to die if you don't drink all three clean bottles of milk, I would think test amounts would be consequential.