Did you solve it? The smallest biggest triangle in the world

The answer to today’s puzzle Earlier today I asked you to construct a triangle whose existence seems to defy reason. Show that there is a triangle, the sum of whose three heights is less than 1mm, that has an area greater than the surface of the Earth (510m km2). Continue reading…

Can you solve it? The smallest biggest triangle in the world

The Earth ain’t big enough for this tiny shape UPDATE: Read the solution here Today’s puzzle is simple and spectacular. It asks you to construct a triangle whose existence seems to defy reason. Show that there is a triangle, the sum of whose three heights is less than 1mm, that has an area greater than […]

Did you solve it? Win the car, dodge the goat

The solution to today’s problem Earlier today I set you the following problem, about a game show where objects are hidden behind three doors. Behind one door is a car. Behind a second door are the car keys. Behind the third door is a goat. The car, the keys and the goat were placed there […]

Can you solve it? Win the car, dodge the goat

A new take on a famous problem UPDATE: Read the solution here If you are a reader of this column, you have probably heard of the Monty Hall problem. It’s a famous probability puzzle that involves a game show host, Monty Hall, who asks a contestant to open one of three doors. Behind one of […]