Least common multiple (lcm) and Greatest common divisor (gcd) question: “Prove lcm(m,n) = m*n/gcd(m,n)?” ByAnonymous Christian September 5, 2014 Answer It’s equivalent to proving m*n = (lcm(m,n) ) * ( gcd(m,n) ) Now, i’ll have to use…
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…
The Birthday Problem ByAnonymous Christian April 24, 2015July 22, 2016 Several people have queried me on this…
OMK 2016 Bongsu Problem B2 Solution ByAnonymous Christian July 23, 2016 A student managed to recall problem B2 (Bahagian B, No. 2) of the Malaysian National Mathematical Olympiad (Olimpiad…
Where would you feel more pressure 100 ft. above water or 100 ft. below water? ByAnonymous Christian September 5, 2014 Answer Below. Why? Because at 100ft above water you only feel the air pressure there. While at 100ft…