Oxbridge entrance test..... Watch

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Mentally Ill
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#1
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#1
Apparently in Japan this brain teaser is used to select empolyees for some top firms. I wonder how many people would get into Oxbridge if this were part of the admissions and you had to solve it in 5 minutes.............

The rules are as follows:

1.Everybody has to cross the river.
2.Only 2 persons on the raft at a time
3.The father can not stay with any of the daughters without their mother's presence
4.The mother can not stay with any of the sons without their father's presence
5.The thief ( striped shirt) can not stay alone with any family member
6.Only the Father, the Mother and the Policeman know how to operate the raft

To start click on the blue circle on the right.

To move the people click on them.

To move the raft click on the red balls.....

http://smallcampus.net/html/maths_ga...iverIQGame.swf
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DanMushMan
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#2
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can i just clarify that the theif has to stay with the copper.

I was trying then got distracted by the Reyes news.... still its taken me more than 5 mins so far!
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Ensocopier
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(Original post by DanMushMan)
can i just clarify that the theif has to stay with the copper.

I was trying then got distracted by the Reyes news.... still its taken me more than 5 mins so far!
Is it just me, or when you get two people across, you can't send the boat back to get more people.
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DanMushMan
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(Original post by Ensocopier)
Is it just me, or when you get two people across, you can't send the boat back to get more people.
you have to have one of the people on the raft who can use it!
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Mentally Ill
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(Original post by Ensocopier)
Is it just me, or when you get two people across, you can't send the boat back to get more people.
The theif must stay with the police. HINT Your first move should be to move the theif over with the police man. Leave the theif over there and send the police back by himself. Then go back over with a child and swap the theif with the child and bring the theif back (with the police man). You wont need the police man or the theif for the next few moves.

PS you cant send the raft over by itself.

>4 minutes: you are a Genius
>6 minutes: You are exceptionally intelligent
>10 minutes: You are very intelligent
>20 minutes: You are average
>25 minutes: You are a bit slow
>30 minutes or more: You are terrible and you should go to work in
>Europe

I got it in about 21 mins
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DanMushMan
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(Original post by Mentally Ill)
The theif must stay with the police. HINT Your first move should be to move the theif over with the police man. Leave the theif over there and send the police back by himself. Then go back over with a child and swap the theif with the child and bring the theif back (with the police man). You wont need the police man or the theif for the next few moves.

PS you cant send the raft over by itself.

>4 minutes: you are a Genius
>6 minutes: You are exceptionally intelligent
>10 minutes: You are very intelligent
>20 minutes: You are average
>25 minutes: You are a bit slow
>30 minutes or more: You are terrible and you should go to work in
>Europe

I got it in about 21 mins
yeh, i'd got that far
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Saintsin
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I had a go, 1 minute 53 seconds. Although could have been a stroke of logic luck.
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Mentally Ill
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#8
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(Original post by Saintsin)
I had a go, 1 minute 53 seconds. Although could have been a stroke of logic luck.
Do it again and see if it was luck or true genius.
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Saintsin
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#9
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(Original post by Mentally Ill)
Do it again and see if it was luck or true genius.
Ok I did, it took about the same just over 2 minutes
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Mentally Ill
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(Original post by Saintsin)
Ok I did, it took about the same just over 2 minutes
Give me the steps then........
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DanMushMan
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ok, when you've done the beginning, you're left with say one son across, everyone else on the original side, then you have 2 choices. Either father & mother go together, or father and son go together, I've tried both -wow I'm stuck.
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DanMushMan
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#12
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sorry, clearly it cant be father and mothe
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Mentally Ill
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#13
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(Original post by Saintsin)
Ok I did, it took about the same just over 2 minutes
You seem to have gone quiet. Are you sure you are being honest?
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DanMushMan
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oh thank fck i've done it
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Mentally Ill
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#15
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#15
(Original post by DanMushMan)
oh thank fck i've done it
Post the steps
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DanMushMan
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#16
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(Original post by Mentally Ill)
Post the steps
ok sir!

do what you said until you have one child (lets say son) on the far bank and everyone else on the original bank, with the raft there too.

father and son across
father back
father and mother across
m back
police & prisoner across
father back
f & m across
m back
m & d across
p & p back
police & d across
police back
p & p across

END
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Mentally Ill
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#17
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(Original post by DanMushMan)
ok sir!

do what you said until you have one child (lets say son) on the far bank and everyone else on the original bank, with the raft there too.

father and son across
father back
father and mother across
m back
police & prisoner across
father back
f & m across
m back
m & d across
p & p back
police & d across
police back
p & p across

END
What was your time?
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DanMushMan
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#18
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#18
(Original post by Mentally Ill)
What was your time?
very long, probably started it about 2, then got distracted cos we signed Reyes and I've been posting elsewhere, but no excuses it was poor
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Saintsin
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#19
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Ok, yeah i logged out as soon as I posted my last post cos i had some work to do, although I seen it can be done in less steps as the earlier post indicates, here are my steps:

1)Police + Thief
2)Police
3)Police + Son
4)Police + Thief
5)Father + Son
6)Father
7)Father + Mother
8)Mother
9)Police + Thief
10Father
11)Father + Mother
12)Mother
13)Mother + Daughter
14)Police + Thief
15)Police + Daughter
16)Police
17)Police + Thief
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Stephanie1820
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#20
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#20
oh my god, thank god that wasnt the interview exam..!

it took me about 4 tries ... with the instructions in front of me...!!

thats actually really sad.... shame...


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