Mar
18

Mathematics knowledge tree

on March 18th, 2010 by admin

I was looking for this on the web and so far I have not found it… There are 2 possibilities, either this thing does exist, and in that case please let me know where can I find it, or it does not exist, in which case here is an idea that needs to be done.
What [...]

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Sep
12

Puzzle

on September 12th, 2009 by admin

John thinks of two numbers, positive integer numbers in the range of 1 to 100. He tells the product of the two numbers to Mike, and tells the sum of the two numbers to Sam.
Mike and Sam has the following conversation:
Mike: “I can’t tell what the two numbers are.”
Sam: “I can’t tell either, and I [...]

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Aug
25

Random numbers

on August 25th, 2009 by admin

Random numbers are not evenly distributed when the sample size is relatively small.
Let’s take an everyday example – random play mode in Winamp. For this example, imagine that you have 5.000 songs in your music collection.
Generate 5.000 random numbers in a sequence. In other words, listen to 5.000 songs randomly selected from your collection. You [...]

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