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I’m doing a lot of Mathematics and Computer Science mock interview questions right now. Here’s a tricky example question that leads to an interesting discussion: Suppose a self-replicating machine has been invented. Every pair of self-replicating machines will produce one new self-replicating machines each day, indefinitely. So, start on Day 1 with 2 self-replicating machines.…

This post contains my personal advice for MAT candidates, who took the test in October 2023. There were technical problems with the Mathematical Aptitude Test (MAT) this year (2023), for 2024 undergraduate entry to subjects including Mathematics and Computer Science. Many Oxford, Warwick and Imperial candidates will have had some kind of issue that affected…

Computer Science interviews at Oxford and Cambridge are most likely to contain questions on relevant maths content, including probability and recursion. While improvising possible questions, I came up with this one. I think it’s a little too hard to get through in a successful interview. Alice and Bob play a dice game. They take it…

It’s University Entrance exam season! This week, a few thousand students are sitting the 2023 edition of the “Mathematical Admissions Test” (MAT), for admission to Mathematics-based undergraduate courses at Oxford, Imperial and Warwick. Also this week, the last ever “Test of Mathematics for University Admissions” (TMUA) is taking place, for maths-y courses around UK universities,…

Most of my work is tutoring secondary school maths, including plenty of support with math-adjacent activities. And, right now, it’s University applications season! Read on, for my 10 tips on how to write an excellent Personal Statement or application essay… I work with students on applications for undergraduate degrees in math and math-related subjects (also…