## 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 […]