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Brain Teaser (pg. 8)
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| Resnick |
| quote: | Originally posted by Floorfiller
in that case you burn the grass around you with the matches so that the fire won't burn there.... |
yup
and it takes 20 cows :D |
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| Floorfiller |
here is the rationale behind my 17...
70 -> 30
is a difference of 40
40/70 =.57 or 57%
because the ratio in the demoninator is constant
(i.e. 24 -> 60 = 36 & 60 -> 96 = 36)
the ratio in the denominator should stay the same ??
so
30 x .57 = 17.1 or 17 cows??
ok i saw that you said its wrong, but is that heading in the right direction?
obviously the grass keeps growing over the time that the cows haven't eating it, but i don't know how to put it in numbers... |
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| Noisician |
| quote: | Originally posted by Resnick
yup
and it takes 20 cows :D |
correct. post a solution so others can see. or did you just google it out? |
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| xGirlx |
I have another one. This one is an old one though, many may know it:
While at the funeral of her own mother, she met this guy whom she
did not know. She thought this guy was amazing, so much her dream guy
she believed him to be, that she fell in love with him there and
then... A few days later the girl killed her own sister.
Question: What is her motive in killing her sister? |
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| Floorfiller |
| quote: | Originally posted by xGirlx
I have another one. This one is an old one though, many may know it:
While at the funeral of her own mother, she met this guy whom she
did not know. She thought this guy was amazing, so much her dream guy
she believed him to be, that she fell in love with him there and
then... A few days later the girl killed her own sister.
Question: What is her motive in killing her sister? |
hahaha leave it to the girl to post the one about true love and prince charming...
never heard it before, but i can guess that her sister was actually her twin sister and the man was her twin sister's husband... |
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| Resnick |
| quote: | Originally posted by Noisician
correct. post a solution so others can see. or did you just google it out? |
i solved it
ok u cant just consider cows, or just # days, so i made up a unit called cow_days
first one, 70*24 = 1680 cow_days
second 30*60 = 1800 cow_days
growth = 1800/1680 = 1.07...
now, since its linear, 60-24 = 36
so its 24 days + 36 increase = 60days, then + another 36 = 96 days, thats twice the increase, so we double the 1.07 to get overall growth for all 96 days
= 1.14 something..* original cow_days which was 1680 = 1920 total cowdays
since we have 96 days, divide, 1920/96
= 20 cows |
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| Floorfiller |
| quote: | Originally posted by Resnick
i solved it
ok u cant just consider cows, or just # days, so i made up a unit called cow_days
first one, 70*24 = 1680 cow_days
second 30*60 = 1800 cow_days
growth = 1800/1680 = 1.07...
now, since its linear, 60-24 = 36
so its 24 days + 36 increase = 60days, then + another 36 = 96 days, thats twice the increase, so we double the 1.07 to get overall growth for all 96 days
= 1.14 something..* original cow_days which was 1680 = 1920 total cowdays
since we have 96 days, divide, 1920/96
= 20 cows |
nice :D.. |
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| Resnick |
| quote: | Originally posted by xGirlx
I have another one. This one is an old one though, many may know it:
While at the funeral of her own mother, she met this guy whom she
did not know. She thought this guy was amazing, so much her dream guy
she believed him to be, that she fell in love with him there and
then... A few days later the girl killed her own sister.
Question: What is her motive in killing her sister? |
this reminds me of those 'ask as many yes or no questions as u can' riddles..cuz i have noo idea whats going oon :D |
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| xGirlx |
| quote: | Originally posted by Floorfiller
hahaha leave it to the girl to post the one about true love and prince charming...
never heard it before, but i can guess that her sister was actually her twin sister and the man was her twin sister's husband... |
Ahhh, that could work. But this is actually a pyschological test and if you are to answer this correctly, then you think like a psycopath. Floorfilla - it's not correct (thank god!).
This was a test by a famous American psychologist used to test if one has the same mentality as a killer. Many arrested serial killers took part in this test and answered it correctly.
I'll tell the answer in a bit but maybe this helps. |
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| Floorfiller |
| quote: | Originally posted by xGirlx
Ahhh, that could work. But this is actually a pyschological test and if you are to answer this correctly, then you think like a psycopath. Floorfilla - it's not correct (thank god!).
This was a test by a famous American psychologist used to test if one has the same mentality as a killer. Many arrested serial killers took part in this test and answered it correctly.
I'll tell the answer in a bit but maybe this helps. |
hmmm...ok...think like a psycopath...
because that bitch was looking at him and i knew she wanted him too. we couldn't both have him so i took action and slit that bitches throut. mom always loved her more...:stongue: |
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| Fundamental |
| quote: | Originally posted by xGirlx
I have another one. This one is an old one though, many may know it:
While at the funeral of her own mother, she met this guy whom she
did not know. She thought this guy was amazing, so much her dream guy
she believed him to be, that she fell in love with him there and
then... A few days later the girl killed her own sister.
Question: What is her motive in killing her sister? |
To see if the guy turned up at her sister's funeral too.
Obviously. :p |
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| xGirlx |
| WOW, fundamental is a PSYCHOPATH. LOL. |
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