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    Problem of the Week
    Problem of the Week

    Problem of the Week (27) 

    Zach Marinov, 6 days ago 0 1 min read  

    A logician vacationing in the South Seas finds himself on an island inhabited by the two proverbial tribes of liars…

    Problem of the Week
    Problem of the Week

    Problem of the Week (25) 

    Zach Marinov, 1 month ago 0 1 min read  

    What is the hundreds digit of ? Source: 2019 AMC 10A Happy problem solving! Email your solutions to [email protected]

    Problem of the Week
    Problem of the Week

    Problem of the Week (24) 

    Zach Marinov, 1 month ago 0 1 min read  

    Compute the least positive integer for which and are prime but and are composite. Source: ARML Local 2020 Happy problem…

    Problem of the Week
    Problem of the Week

    Problem of the Week (23) 

    Zach Marinov, 2 months ago 0 1 min read  

    Emilia wishes to create a basic solution with 7% hydroxide (OH) ions. She has three solutions of different bases available:…

    Problem of the Week
    Problem of the Week

    Problem of the Week (22) 

    Zach Marinov, 2 months ago 0 1 min read  

    Find the number of real numbers that satisfy the equation: Happy problem solving! Email your solutions to [email protected]

    Problem of the Week
    Problem of the Week

    Problem of the Week (21) 

    Zach Marinov, 2 months ago 0 1 min read  

    A triangle has sides of length 10, 10, and 12. A rectangle has width 4 and the same area as…

    Problem of the Week
    Problem of the Week

    Problem of the Week (20) 

    Zach Marinov, 2 months ago 0 1 min read  

    What is to 3 s.f.? (you may find technology rather helpful) Source: Ritangle 2019 Happy problem solving! Email your solutions…

    Maths

    The Monty Hall Problem 

    Roland Bourne, 3 months ago 0 4 min read  

    Probability can be a tricky devil when it comes to intuition. It can fool you just like how you see what isn’t there in…

    Problem of the Week
    Problem of the Week

    Problem of the Week (19) 

    Zach Marinov, 3 months ago 0 1 min read  

    A bus in Springfield has a maximum capacity of 40 passengers. The bus begins its route with . At the…

    Problem of the Week
    Problem of the Week

    Problem of the Week (18) 

    Zach Marinov, 3 months ago 0 1 min read  

    Let n be the smallest positive integer with exactly 2015 positive factors. What is the sum of the (not necessarily distinct) prime…

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    About EtonSTEM

    The Eton STEM project has just been started up this academic year. We aim to promote interest in STEM across the school to all boys, encouraging everyone to participate in any STEM-related activities regardless of familiarity with the field. Whether this be through writing articles on topics of interest or taking the initiative and setting up a project with a group of friends, anyone can be a part of the project – you just have to take the first step!

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