Category Archives: Uncategorized
Coin Problem
Given 12 coins, one of which is false with a different weight. Determine in the minimum number of weighings which one is false and whether it’s lighter or heavier than the rest.
Birthday Paradox
There are 20 people in a room. What is the probability that two of them will have the same birthday?
Math algorithm in programming
It is often overlooked how much math there is in programming and computer science. For example, my newest site http://www.mmlol.com uses a dynamic sorting and ranking algorithm to determine the most relevant funny links. mmlol is a collection of user submitted links … Continue reading
Riddle Batch of the day!
1) A man was to be sentenced, and the judge told him, “You may make a statement. If it is true, I’ll sentence you to four years in prison. If it is false, I’ll sentence you to six years in … Continue reading
Verizon can’t do math!
http://www.youtube.com/watch?v=lCJ3Oz5JVKs
Bunch of optical illusions!
Optical illusions are back with a huge batch! http://www.ritsumei.ac.jp/~akitaoka/rotate-e.html
Fibbanaci sequence comic
http://www.gocomics.com/foxtrot/2009/02/08/
Universal language – Math
http://www.boston.com/bostonglobe/ideas/articles/2009/02/08/a_talk_with_mario_livio/?page=2
Infinite limits
1) What is the limit of xe^(-x) as x approaches infinity? 2)What is the limit of (x^2) e^(-x) as x approaches infinity? 3) Is there a value of n where the limit of (x^n)e^(-x) as x approaches infinity is not … Continue reading