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Try this if you DARE!!! |
Glenny
Joined: Feb 26, 2005
Posts: > 500
From: Mars
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i thiink you googled!!! theres no way in hell you can think that in your head!!!!!!!!
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SE Rules
Joined: Oct 07, 2004
Posts: 398
From: London
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Hi people, sorry I haven't been around in ages, keep up the puzzles and riddles. Would like to impose one rule though, which I'm sure nobody will disagree with; please don't use search engines go get answers, as this not only defeats the point of using your brain but ruins the fun for everybody else.
Heres a challenge for the forum, I DARE you all to get the posts to over 1000, without spamming esato of course, no, just pure riddles and puzzles!
Cheers
Want to stretch your mind? Try this if you dare!!!Philips Diga > Nokia 3210 > Nokia 3650 >  K750 > Nokia N80 > K800 > K850 |
ADT0079
Joined: Oct 08, 2003
Posts: 100
PM |
Clever Arithmetic (from Marilyn vos Savant's column "Ask Marilyn")
A professor tells her assistant that she dined with three people last night. She also tells him that the sum of the three people's ages is twice the secretary's own age and that the product of the three people's ages is 2,450. Then, she asks him to tell her the ages of the three people. After a while, the assistant tells the professor that he doesn't have enough information to solve the problem. She agrees and adds that she is older than all three people with whom she dined. The assistant, who knows her age, promptly gives the professor the correct ages. The question is: What are the ages of all five people in this story?
i will check in a day or so Good luck
Bored=Esato
Bored=Dumb post
Bored=Stupid replies
Bored=Dont bother me im here to waste yours and my time.... |
Yazan24
Joined: May 29, 2003
Posts: > 500
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X + Y +X = 2W
XYZ= 2450
2450 |49
50 | 5
10 | 5
2 | 2
1
So there ages must be 49, 5, and 10 [5 X 2],
OR
98, 25, 2
Or 50, 49, 1
But which possibility is it?
AHA
Since there are 2 possibilities over 49 and only one under it, the professors age must be between 49 and 51, and hence 50
So the combinations are probably
5, 10, 49
and the other two are 50 and
5+ 10 +49 /2 = 32
THAT TOOK ME A LOT OF TIME.
AND IM BACK
But wait it could also be 7 ,14, 25 , 23, x {26,50}
OK IM CONFUSED.
_________________
-Kamikaze-
Esato- The first Biased Sony Ericsson Forums
MP3 Ringtones? Oh yeah Laffen killed them.
[ This Message was edited by: Yazan24 on 2005-09-13 01:34 ]
[ This Message was edited by: Yazan24 on 2005-09-13 01:37 ]
[ This Message was edited by: Yazan24 on 2005-09-13 01:38 ] |
blackspot
Joined: Sep 06, 2004
Posts: > 500
From: Philippines
PM |
Quote:
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On 2005-09-12 22:12:12, Googlenny wrote:
i thiink you googled!!! theres no way in hell you can think that in your head!!!!!!!!
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 You must be joking. How do you google for those kinds of puzzles? That's why I have this:
resistance is futile. |
ADT0079
Joined: Oct 08, 2003
Posts: 100
PM |
Yazen Close You might have it ,give me the Professers age And then the Guest Ages...I will tell you if your right or wrong 
Bored=Esato
Bored=Dumb post
Bored=Stupid replies
Bored=Dont bother me im here to waste yours and my time.... |
blackspot
Joined: Sep 06, 2004
Posts: > 500
From: Philippines
PM |
@yazan, just a reminder, we already agreed that answer posts should not be edited to avoid the confusion as to who got the answer first.
resistance is futile. |
Glenny
Joined: Feb 26, 2005
Posts: > 500
From: Mars
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@blackspot
wow you sure take this seriously!
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ADT0079
Joined: Oct 08, 2003
Posts: 100
PM |
no one with the answer if not i will post it up in acouple hours..
Consider all factorizations of 2450 into integers a, b, c. (Since
these three variables represent ages, all factors above 98 should
be excluded!) The remaining triples (a,b,c) sum to distinct values
_except_ 50+7+7 = 49+10+5 = 64. Since the assistant did not have
enough information at this point, one of these two triples must be the
correct answer; in particular, the secretary's age is 64/2 = 32.
If the professor is 49 years old or younger, her assertion about
being older than all others at dinner cannot be true; if she is 51
or older, that information would not help the assistant. Hence,
the professor is 50, and her dinner guests had ages 49, 10, 5.
_________________
It's Not In My Nature To Be Mystreous,
But I Can't Talk About It,And I Can't Talk About Why........
[ This Message was edited by: ADT0079 on 2005-09-13 21:49 ] |
blackspot
Joined: Sep 06, 2004
Posts: > 500
From: Philippines
PM |
I actually tried it yesterday but came up with inconclusive answers that all satisfy the given conditions. I also came up with those two factors and one more:
Guests are 25, 14 and 7 years old. 25x14x7 = 2450
25 + 14 + 7 = 46; secretary/assistant = 23 years old.
Professor is older so she must be 26 years old or older.
resistance is futile. |
anish
Joined: Jul 19, 2003
Posts: > 500
From: India / England
PM |
Quote:
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On 2005-09-10 16:47:07, k4m!k4ze wrote:
@anish - If u see my explaination i have already mentioned that two of them are twins, that is why i left out the combinations 10,2,1, 9 3,1 and so on since they do not contain twin's ages.
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Kami but how on earth did you realise there should be a twins as you have tottally missed the point that the product of the numbers should be the number on the door.
@blackspot
You are right, you got one point
Any takers for the buckingham palace one?
Here is a new one
legs can be this but arms can't, shoes can be this but boots can't. oil can be this but petrol can't, shells can be this but rocks can't, and bibles can be this but text books can't. what is 'this'?
k4m!k4ze - 5.5
blackspot - 5
Yazan24 - 4
50Cent - 4
XsuwailX - 3
knight4led - 2
Im_The_Scatman - 2
sailaab - 2
786KBR - 2
mustafabay - 1.5
SE Rules - 1
Glenny - 1
_________________
Knowledge is two fold. Knowing a subject or knowing where to find out about a subject. I rely on both... That is why I come here. 
[ This Message was edited by: anish on 2005-09-15 10:26 ] |
k4m!k4ze
Joined: Oct 02, 2004
Posts: > 500
From: CBE
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oh damn ! Just realised that the answer to the buckingham palace one is IT's SHADOW (during dawn or sunset) ! 
If at first you don't succeed, destroy all evidence of your attempt !! |
k4m!k4ze
Joined: Oct 02, 2004
Posts: > 500
From: CBE
PM |
hmm... i had some answers for the last one but that 'bible' clue does not match up :/
If at first you don't succeed, destroy all evidence of your attempt !! |
Glenny
Joined: Feb 26, 2005
Posts: > 500
From: Mars
PM, WWW
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legs can be this but arms can't, shoes can be this but boots can't. oil can be this but petrol can't, shells can be this but rocks can't, and bibles can be this but text books can't. what is 'this'
is it an oiled shelled bible with legs wearing shoes?
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JK
Joined: Feb 24, 2005
Posts: > 500
From: S. Africa - JOZI
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Posted: 2005-09-12 22:12
K750 > Nokia N80 > 
