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Riddles, brain puzzles and mathematical problems - Printable Version

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RE: Riddles, brain puzzles and mathematical problems - Bridge - 12-07-2012

(12-07-2012, 08:44 PM)BAndrew Wrote: For me everything that makes you think is a lot of fun. So I pretty enjoyed it, but I guess that's a subjective view.
Well, I just don't like doing pointless busywork (I get enough of that at school). I prefer logic-based puzzles and mysteries, something that involved creative and lateral thinking usually. I know your a huge math buff but you have a passion I just don't share.

RE: Riddles, brain puzzles and mathematical problems - Froge - 12-08-2012

Frictional

90% of applicants to Frictional Games are Swedish. 78% of the Swedish applicants have degrees in computer science, while 65% of non-Swedish applicants have a degree in computer science. Anyone with a degree in computer science has a 33% chance of getting into the company, while those who do not only have a 17% chance. Find the probability that a successful applicant is not Swedish.

RE: Riddles, brain puzzles and mathematical problems - Bridge - 12-08-2012

(12-08-2012, 12:36 AM)Chronofox Wrote: Frictional

90% of applicants to Frictional Games are Swedish. 78% of the Swedish applicants have degrees in computer science, while 65% of non-Swedish applicants have a degree in computer science. Anyone with a degree in computer science has a 33% chance of getting into the company, while those who do not only have a 17% chance. Find the probability that a successful applicant is not Swedish.
2.145%?

After edit: 2.74%

RE: Riddles, brain puzzles and mathematical problems - Kman - 12-08-2012

(12-07-2012, 01:29 PM)BAndrew Wrote:
(12-07-2012, 03:37 AM)Chronofox Wrote: BAndrew pls
What?
omg bandrue do u efen in2 intranet huemor

RE: Riddles, brain puzzles and mathematical problems - Froge - 12-08-2012

(12-08-2012, 12:46 AM)Bridge Wrote:
(12-08-2012, 12:36 AM)Chronofox Wrote: Frictional



90% of applicants to Frictional Games are Swedish. 78% of the Swedish applicants have degrees in computer science, while 65% of non-Swedish applicants have a degree in computer science. Anyone with a degree in computer science has a 33% chance of getting into the company, while those who do not only have a 17% chance. Find the probability that a successful applicant is not Swedish.
2.145%?



After edit: 2.74%
no

RE: Riddles, brain puzzles and mathematical problems - Bridge - 12-08-2012

Well this is what I did (can't really see what's wrong with it):

[Image: 9hpgzk.jpg]

RE: Riddles, brain puzzles and mathematical problems - Froge - 12-08-2012

Close, but no cigar.

Read the question carefully.

RE: Riddles, brain puzzles and mathematical problems - Bridge - 12-08-2012

(12-08-2012, 01:18 AM)Chronofox Wrote: Close, but no cigar.

Read the question carefully.
1.37%? If not, I have no idea.

RE: Riddles, brain puzzles and mathematical problems - The chaser - 12-08-2012

(12-08-2012, 12:58 AM)Kman Wrote:
(12-07-2012, 01:29 PM)BAndrew Wrote:
(12-07-2012, 03:37 AM)Chronofox Wrote: BAndrew pls
What?
omg bandrue do u efen in2 intranet huemor
Y r u guys cpying my type-stayl

I'm thinking in that thing of the percent, don't worry.

RE: Riddles, brain puzzles and mathematical problems - Froge - 12-08-2012

still nope