Recent content by Perau
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API vs CPI: Key Differences in Oil/Water Separation
it's to my understanding that API n CPI uses the same theory to remove oil from water. but what are the key differences that makes CPI much more expensive or that make API cheaper?- Perau
- Thread
- Replies: 1
- Forum: Mechanical Engineering
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Gas compressor vs air compressor
i recently went to a air compressor workshop. so i want to know what the core differences are in gas compressors and air compressors as the workshop didnt really explain that. cheers- Perau
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- Air Air compressor Compressor Gas
- Replies: 1
- Forum: Mechanical Engineering
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Graduate Finding the error in proof that all numbers are equal
haha cheers, but how i showed you is exactly how i calculated. should have brought a calculator. but i think i seem to know why it's wrong. thanks anyway!- Perau
- Post #17
- Forum: General Math
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Einstein's Intelligence Quiz ?
so you're basically saying the solution is, "i don't know", if so, there would be fault in that, as not everyone is born with logic skills, a majority of people in fact, and would simply answer "i don't know" making them correct, but that would be more than 2%. And our assumption is only the...- Perau
- Post #161
- Forum: General Discussion
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Graduate Finding the error in proof that all numbers are equal
OH, i left my t at t/4 istead of t/2. my bad.- Perau
- Post #15
- Forum: General Math
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Einstein's Intelligence Quiz ?
fair enough but they did say "With these 15 clues the problem is solvable. " key word being solvable, if we take it to your deep stage of thinking, it wouldn't be solvable.- Perau
- Post #159
- Forum: General Discussion
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Graduate Finding the error in proof that all numbers are equal
a = 1 b = 2 t = 3 5th line 1^2 -3(1) + 3^2/4 = 2^2 - 3(2) + 3^2/4 0.25 = 0.25 6th line (1-3/4)^2 = (2-3/4)^2 0.5625 = 1.5625 how is that wrong math?- Perau
- Post #13
- Forum: General Math
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Einstein's Intelligence Quiz ?
well the german does have to own a pet right? what would that be. there are only 5 animals stated in the question.- Perau
- Post #157
- Forum: General Discussion
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Graduate Finding the error in proof that all numbers are equal
oh okay, i see your point, but this still goes back to my first post on this, the calculation i done from 5th to 6th line goes haywire, where squareroot hasnt been applied yet.- Perau
- Post #11
- Forum: General Math
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Einstein's Intelligence Quiz ?
the question "These 5 owners drink a certain type of beverage, smoke a certain brand of cigar, and keep a certain pet" "who owns the fish" the German hence has to own a pet, and since by deducing the using the clues that the German does not have a pet i.e. he owns the fish.- Perau
- Post #155
- Forum: General Discussion
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Graduate Finding the error in proof that all numbers are equal
lets just argue for sakes here that it is absolute value because it really doesn't matter, if you put the -/+ in front of the numbers no way will it still equal each other. the magnitude is still different. ok might be a bit confusing, assume absolute for our case. the magnitudes should...- Perau
- Post #7
- Forum: General Math
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Einstein's Intelligence Quiz ?
13mins, i highly doubt the 2% thing. with lots of logic, this is quite simple.- Perau
- Post #153
- Forum: General Discussion
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Undergrad Solve Prof. John Mentriffe's Triangle Puzzle
oh i see it, they are not triangles. both the small triangles have different slopes. one triangle has a side ratio of 2:3 and another 8:3- Perau
- Post #3
- Forum: General Math
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This is a really hard brain teaser, guys.
errr, the question says it would make him die. i don't see how it can make him die by being in a different cart, he would just think he is blind but not die.- Perau
- Post #3
- Forum: Fun, Photos and Games
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High School Analog Clock and Minute Marks Puzzle
i don't get it, why 4.24 could it not be other numbers?- Perau
- Post #6
- Forum: General Math