Lateral Thinking XV
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- Erabareshi Kodomotachi
Posts: 1291
Lateral Thinking XV
Easy one. just to keep the Laterral Thinking Threads.
Three men stay at a hotel for the night. The innkeeper charges thirty dollars per room per night. The men rent one room; each pays ten dollars. The bellhop leads the men to their room. Later, the innkeeper discovers he has overcharged the men and asks the bellhop to return five dollars to them. On the way upstairs, the bellhop realizes that five dollars can't be evenly split among three men, so he decides to keep two dollars for himself and return one dollar to each man.
At this point, the men have paid nine dollars each, totalling 27. The bellhop has two, which adds up to 29. Where did the thirtieth dollar go?
Three men stay at a hotel for the night. The innkeeper charges thirty dollars per room per night. The men rent one room; each pays ten dollars. The bellhop leads the men to their room. Later, the innkeeper discovers he has overcharged the men and asks the bellhop to return five dollars to them. On the way upstairs, the bellhop realizes that five dollars can't be evenly split among three men, so he decides to keep two dollars for himself and return one dollar to each man.
At this point, the men have paid nine dollars each, totalling 27. The bellhop has two, which adds up to 29. Where did the thirtieth dollar go?
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Posts: 49
Re: Lateral Thinking XV
Why should the 2 dollars be added up to the 27 dollars?
Shouldn't it be 27 dollars - 2 dollars = 25 dollars?

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- 安心ã
Posts: 95
Re: Lateral Thinking XV
That's exactly right. The bellhop's 2 dollars and the innkeeper's 25 dollars make up the 27 dollars. And the three men have the remaining 3 dollars.S.H. wrote: Why should the 2 dollars be added up to the 27 dollars?Shouldn't it be 27 dollars - 2 dollars = 25 dollars?
The puzzle confuses the reader because of the second part of the second sentence which is flawed.
Move, and the way will open.
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- 部下の手柄は上司のもの
上司の失敗は部下の責任
Posts: 424
Re: Lateral Thinking XV
The three guest each paid 9 dollars which makes a total of 27.
25 of them has the innkeeper who originally thought the prize was 30 but after finding out the right prize, gave back 5 dollars.
The two remaining dollars (27 - 25 = 2) are those that the bellhop hold onto.
So: There is no missing dollar for that matter.
25 of them has the innkeeper who originally thought the prize was 30 but after finding out the right prize, gave back 5 dollars.
The two remaining dollars (27 - 25 = 2) are those that the bellhop hold onto.
So: There is no missing dollar for that matter.
"Vad ska jag annars vara?" - "Det vet jag inte. Det måste du svara på. Men om du släpper allt du tror att du måste, och frågar dig vad du vill... Vad vill du då?"
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秀れた人を羨んでは自分が嫌になる
浅い眠りに押し潰されそう夜もある
優しい隣人が陰で牙を向いていたり
惰性で観てたテレビ消すみたいに生きることを時々辞めたくなる
人生は苦痛ですか 成功が全てですか
僕はあなたにあなたに ただ逢いたいだけ
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- Erabareshi Kodomotachi
Posts: 1291
Re: Lateral Thinking XV
That´s the tricky thing, hahaha, had fun reading it.
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- Everyone a Critic
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Re: Lateral Thinking XV
Wondering about statements in greenHolmes wrote: Easy one. just to keep the Laterral Thinking Threads.
Three men stay at a hotel for the night. The innkeeper charges thirty dollars per room per night. The men rent one room; each pays ten dollars {Isn't 3X10 = 30 the cost of a room } . The bellhop leads the men to their room. Later, the innkeeper discovers he has overcharged the men and asks the bellhop to return five dollars to them [ If the earlier statement is true, then how is the innkeeper overcharging them?]. On the way upstairs, the bellhop realizes that five dollars can't be evenly split among three men, so he decides to keep two dollars for himself and return one dollar to each man.
At this point, the men have paid nine dollars each, totalling 27. The bellhop has two, which adds up to 29. Where did the thirtieth dollar go?
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Re: Lateral Thinking XV
It is. But since all three men rent the same room, everyone of them has only to pay 10 dollars, so that all three together pay 30.sstimson wrote:{Isn't 3X10 = 30 the cost of a room }
The first statement is not true. It's just that the innkepper thought at the beginning he had to charge 30 for a room per night, just later he realizes that he charged 5 too much, so he is giving it back.sstimson wrote:[If the earlier statement is true, then how is the innkeeper overcharging them?]
"Vad ska jag annars vara?" - "Det vet jag inte. Det måste du svara på. Men om du släpper allt du tror att du måste, och frågar dig vad du vill... Vad vill du då?"
描いた夢は叶わないことの方が多い
秀れた人を羨んでは自分が嫌になる
浅い眠りに押し潰されそう夜もある
優しい隣人が陰で牙を向いていたり
惰性で観てたテレビ消すみたいに生きることを時々辞めたくなる
人生は苦痛ですか 成功が全てですか
僕はあなたにあなたに ただ逢いたいだけ
信じたい嘘 効かない薬 帰れないサヨナラ
叫べ叫べ叫べ 逢いたいだけ
秀れた人を羨んでは自分が嫌になる
浅い眠りに押し潰されそう夜もある
優しい隣人が陰で牙を向いていたり
惰性で観てたテレビ消すみたいに生きることを時々辞めたくなる
人生は苦痛ですか 成功が全てですか
僕はあなたにあなたに ただ逢いたいだけ
信じたい嘘 効かない薬 帰れないサヨナラ
叫べ叫べ叫べ 逢いたいだけ
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- Everyone a Critic
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Re: Lateral Thinking XV
So If I got this right, Then the price of a room was not 30$ but 25. And the whole thing starts from 25$ and not 30. Since 25 is Odd there is no extra buckgoogleearth wrote:It is. But since all three men rent the same room, everyone of them has only to pay 10 dollars, so that all three together pay 30.sstimson wrote:{Isn't 3X10 = 30 the cost of a room }
The first statement is not true. It's just that the innkepper thought at the beginning he had to charge 30 for a room per night, just later he realizes that he charged 5 too much, so he is giving it back.sstimson wrote:[If the earlier statement is true, then how is the innkeeper overcharging them?]
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Posts: 424
Re: Lateral Thinking XV
The innkeeper says a room costs 30, so everybody pays 10 each, but later the innkeeper realizes it's not 30 but 25.sstimson wrote:So If I got this right, Then the price of a room was not 30$ but 25. And the whole thing starts from 25$ and not 30. Since 25 is Odd there is no extra buckgoogleearth wrote:It is. But since all three men rent the same room, everyone of them has only to pay 10 dollars, so that all three together pay 30.sstimson wrote:{Isn't 3X10 = 30 the cost of a room }
The first statement is not true. It's just that the innkepper thought at the beginning he had to charge 30 for a room per night, just later he realizes that he charged 5 too much, so he is giving it back.sstimson wrote:[If the earlier statement is true, then how is the innkeeper overcharging them?]
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"Vad ska jag annars vara?" - "Det vet jag inte. Det måste du svara på. Men om du släpper allt du tror att du måste, och frågar dig vad du vill... Vad vill du då?"
描いた夢は叶わないことの方が多い
秀れた人を羨んでは自分が嫌になる
浅い眠りに押し潰されそう夜もある
優しい隣人が陰で牙を向いていたり
惰性で観てたテレビ消すみたいに生きることを時々辞めたくなる
人生は苦痛ですか 成功が全てですか
僕はあなたにあなたに ただ逢いたいだけ
信じたい嘘 効かない薬 帰れないサヨナラ
叫べ叫べ叫べ 逢いたいだけ
秀れた人を羨んでは自分が嫌になる
浅い眠りに押し潰されそう夜もある
優しい隣人が陰で牙を向いていたり
惰性で観てたテレビ消すみたいに生きることを時々辞めたくなる
人生は苦痛ですか 成功が全てですか
僕はあなたにあなたに ただ逢いたいだけ
信じたい嘘 効かない薬 帰れないサヨナラ
叫べ叫べ叫べ 逢いたいだけ
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Posts: 11
Re: Lateral Thinking XV
its just bad math to be short.
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- Erabareshi Kodomotachi
Posts: 1291
Re: Lateral Thinking XV
That is a too sudden answer.
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- Just kidding.
Posts: 105
Re: Lateral Thinking XV
Well the men got 3 dollars back, so in total the relinquished $27.
The owner has $25 and the bellboy as $2. Done.
And what hotel that charges $30 a night has a bellboy? lol.
The owner has $25 and the bellboy as $2. Done.
And what hotel that charges $30 a night has a bellboy? lol.
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- Everyone a Critic
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Re: Lateral Thinking XV
yes. That right but this is the strange thought.H...Haibara wrote: Well the men got 3 dollars back, so in total the relinquished $27.
The owner has $25 and the bellboy as $2. Done.
And what hotel that charges $30 a night has a bellboy? lol.
if each puts in 10 and gets back 1 then they each spent 9. That makes the total they spend to be 27. the bell person has 2. so it looks like 29
But
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