Math
British Mathematics Olympiad 1993 Round 1 Question 1
Notes Used extended Euclidean algorithm Uses and demonstrates factor substitution method well
Math
Solution to Question A1 from the 2018 Putnam – Modulus Arithmetic
A good example of usage of modulus arithmetic.
Math
Lune Of Hippocrates – Famous Ancient Math Problem
Hippocrates of Chios solved this, nearly 100 years before Euclid even wrote The Elements, and before we knew the exact formula for the area of a circle. This is said to be the first precise mathematical of the area between two curved lines. Learn how he solved for the area Read more…
Math
536 Puzzles: #309: A Maypole Puzzle
During a gale a maypole was broken in such a manner that it struck the level ground at a distance of twenty feet from the base of the pole, where it entered the earth. It was repaired, and broken by the wind a second time at a point five feet Read more…
Math
Farmer buys livestock puzzle
A farmer has 100 dollars to buy 100 animals. A cow costs 10, a pig costs 5 and a chicken costs 50 cents. How many of each does he buy? He must use all his money and he must buy at least 1 of each type. note Z must be even Read more…
Math
536 Puzzles: Problem & Solution #2: Dollar and Cents
A man entered a store and spent one-half ofthe money that was in his pocket. When he came out he found that he had just as many cents as he had dollars when he went in and half as many dollars as he had cents when he went in. How Read more…