Alex Bellos

The solutions to today’s puzzles

Earlier today I set you these puzzles about straws. Here they are again with solutions.

1. Lift-off

Riddles with long paper cylinders

UPDATE: To read the solutions click here

The most heated puzzle about the drinking straw is “does it have one hole or two?” (This debate periodically goes viral and for those who want to suck up its delicious complexities I recommend this chat with mathematician Jordan Ellenberg.)

Today’s puzzles are also about straws, but are much less controversial.

The answers to today’s puzzles

Earlier today I set three number puzzles. Here they are again with solutions.

1. Well balanced

Three, two, one…

UPDATE: read the solutions here

Today, we’re down with the digits. Here are three elegant number puzzles, each nudging your brain to think creatively in different ways.

1. Well balanced

The answer to today’s puzzle

Earlier today I set you the following problem featuring Albert, Bernard and Cheryl, the protagonists in a viral puzzle from a decade ago. Here it is again with the solution.

Cheryl’s house number problem

Did you solve it? How to have fun with straws

Can you solve it? How to have fun with straws

Did you solve it? That’s numberwang!

Can you solve it? That’s numberwang!

Did you solve it? The pals that broke the internet, ten years on