Given four bottles with indistinguishable liquid, one of which is a vital medicine, two containers and a test that can be done only once, how can you determine which of the the bottles contain the medicine?

Medicine muddle - Encoding and Binary 

In a restaurant where you can order tasting plates of 10 items, what is the smallest number of plates you can order to identify all 10 items on a menu?

Dim Sum - Coding efficiency 

By drawing on a piece of paper, can you connect three houses to three utilities (gas, electricity, water) without any of the lines crossing?

Fix the Hotel Rooms - Topology 

How can you get three people to the upper floor of the hotel if two of them can never be left alone?

The Tiny Lift - Graphs 

What is the quickest route to get from where you are standing, collect some water from a river and get to the hotel?

Hotel fire - Optimisation 

Three bags contain 2 t-shirts or 2 hoodies or 1 hoodie and 1 t-shirt, and none are labelled correctly. Can you tell which back belongs to whom by only taking one (random) item from one bag?

Bags mix-up- Logic and Decision Trees 

What is the quickest route between two points, if you can only cross the runways at a perpendicular?

Late for the plane - Abstraction and Optimisation 

How do we measure out 100ml of a liquid using only containers taking quantities of 75ml, 125ml and 200ml?

Airport security - Trilinear Coordinates 

How do you construct a tour travelling between a number of different cities, but never using the same transport method between two cities more than once?

Planning the tour - Abstraction and Graph Theory 

Journey with the Mathemagicians as they encounter a number of problems on their travels and use mathematics to find solutions. The series of short videos is suitable for secondary school teachers, introducing various maths principles to students in an engaging way.

Journey with the Mathemagicians as they encounter a number of problems on their travels and use mathematics to find solutions. <br>The series of short videos is suitable for secondary school teachers, introducing various maths principles to students in an engaging way.

A Mathematician's Holiday

The best podcasts on investing. For anyone interested in the stories in the investing industry, whether it's an interview with Ray Dalio or Ed Thorp to the writer of The Big Short. This topic includes the most fascinating stories from all the best investors. Add episodes you're interested into your queue below!

Best Investing Podcasts

The Best Multi-Part Documentaries, with documentaries on Obama, Federer vs Nadal, the making of Star Wars, Netflix vs Blockbuster and more. Add episodes you're interested into your queue below!