Problem of the Week (27)
A logician vacationing in the South Seas finds himself on an island inhabited by the two proverbial tribes of liars…
Problem of the Week (26)
Donald draws ten mathematical objects that can be labelled from . He puts them into a natural sequence as follows:…
Mathematical Proof
Title image: Euclid’s Elements Proving various results in math is arguably one of the most rewarding parts of doing it….
Problem of the Week (25)
What is the hundreds digit of ? Source: 2019 AMC 10A Happy problem solving! Email your solutions to [email protected]
Problem of the Week (24)
Compute the least positive integer for which and are prime but and are composite. Source: ARML Local 2020 Happy problem…
Comparing two case studies of deforestation in Indonesia: The Grasberg Mine and the Aru Sugar Cane Plantation
Image credits: Sika Group Abstract The impending destruction of South East Asia’s tropical rainforests will impact one of the most…
Problem of the Week (23)
Emilia wishes to create a basic solution with 7% hydroxide (OH) ions. She has three solutions of different bases available:…
Why are some alleles really dominant?
When learning about genetic crosses and the utility of Punnett squares, we benefit from the fact that some alleles are dominant,…
Problem of the Week (22)
Find the number of real numbers that satisfy the equation: Happy problem solving! Email your solutions to [email protected]