Math Olympiad | Math Olympiad Classes Magic Square Invariant – 4 by 4 Magic Square ByAnonymous Christian September 30, 2018 QuestionA 4 x 4 Magic Square is such that each of its Row, Column and Diagonal has the same sum of 2016. What is the Sum of its four corners? Solution Please see in Image. Thank-you.
Add to make Perfect Squares ByAnonymous Christian September 5, 2014July 22, 2016 Question What must be added to each of the following expressions to obtain a perfect square? [Q1] a^2…
OMK 2014 Muda Solutions ByAnonymous Christian July 7, 2015July 21, 2016 The OMK 2014 questions may be downloaded or viewed for free at this link (below): OMK 2014 Questions…
A Sum of Digits Problem ByAnonymous Christian November 4, 2016November 4, 2016 Question I wrote down all integers from 1 to 711. Next, I added up all the digits that…
The Birthday Problem ByAnonymous Christian April 24, 2015July 22, 2016 Several people have queried me on this…
ICAS Math 2014 Q34 Paper GH ByAnonymous Christian June 9, 2016July 21, 2016 (Both the question & a possible solution may be found in the images below)
Can someone PROVE hero’s (or Heron’s) formula? ByAnonymous Christian September 5, 2014July 22, 2016 Answer We use the formula area = (1/2)bc.sin(A) The formula above can be “proven” easily by definition that…
