Problem Of the Week: 28th June 2024 Problem of the Week / Michael W / 27 June, 2024 Problem Of the week: 28th June 2024 Michael Wu A drunk performs a random walk along a street. At one end of the street is a river, and at the other end is a police station. If he gets to … Problem Of the Week: 28th June 2024 Read More »
Problem Of the Week: 4th March 2024 Problem of the Week / Michael W / 4 March, 2024 Problem Of the week: 4th March 2024 Michael Wu There are 25 red balls and 25 blue balls in a bag. Alice and Bob take turns drawing balls from the bag without replacement, with Alice going first. Interestingly, they notice … Problem Of the Week: 4th March 2024 Read More »
Problem Of the Week: 12th February 2024 Problem of the Week / Michael W / 12 February, 2024 Problem Of the week: 12th February 2024 Michael Wu Hundreds of years ago, scientists believed that air was a pure substance which, alongside earth, wind and fire, made up all matter on Earth. Nowadays, we know that air is a … Problem Of the Week: 12th February 2024 Read More »
Problem Of the Week: 29th January 2024 Problem of the Week / Michael W / 28 January, 2024 Problem Of the week: 29th January 2024 Michael Wu An unreliable typist is trying to type ‘Eton College’ into their Chronicle article, but cannot guarantee that the order of the letters are correct. Thus he may type ‘Eetgne ooCll’ or … Problem Of the Week: 29th January 2024 Read More »
Problem Of the Week: 20th November 2023 Problem of the Week / Michael W / 20 November, 2023 Problem Of the week: 20th November 2023 Michael Wu One of the CCF’s guns is designed such that it can launch a projectile of mass 10 kg at a speedof 200 m/s. The gun is placed close to a … Problem Of the Week: 20th November 2023 Read More »
Problem Of the Week: 7th October 2023 Problem of the Week / Dylan G / 7 October, 2023 Problem Of the week: 7th October 2023 Dylan Guo There are 100 lockers that line the main hallway of Holyport. Every morning, the security guards make sure that all of the lockers are closed so that there will be an … Problem Of the Week: 7th October 2023 Read More »
Problem Of the Week: 24th September 2023 Problem of the Week / Dylan G / 3 July, 2023 Problem Of the week: 24th September 2023 Dylan Guo Alan and Claire live by the old Scottish saying, “Never have whiskey without water, nor water without whiskey!” So one day, when Alan has in front of him a glass of … Problem Of the Week: 24th September 2023 Read More »
Problem Of the Week: 22nd May 2023 Problem of the Week / Dylan G / 22 May, 2023 Problem Of the week: 22nd May 2023 Dylan Guo The evening after national lockdown was lifted, a couple decided to celebrate their newfound freedom at a bar down the street. Much to their surprise, they find four other couples … Problem Of the Week: 22nd May 2023 Read More »
Problem Of the Week: 15th May 2023 Problem of the Week / Dylan G / 15 May, 2023 Problem Of the week: 15th May 2023 Dylan Guo You want to create a family tree, but you are having trouble tracking down your grandmother’s birthdate. The only clue you found was a letter written from your great grandfather to … Problem Of the Week: 15th May 2023 Read More »
Problem of The week: 18 March Problem of the Week / Richard K / 18 March, 2023 Problem of the week: 18 March 2023 This week’s question is one from the 2023 edition of the Chemistry Race, and is a particularly satisfying one to solve, without being too difficult! Thermogravimetric analysis (TGA) is an analytical method for … Problem of The week: 18 March Read More »