Brazilian Maths Olympiad: String Problem

[Gerald H]

A problem for more mature students:

https://www.theguardian.com/science/2017...5-year-old

[pier4r]

Is there a collection of the weekly problems from the Guardian? That would be interesting.

[Didier Lachieze]

Did you try this link: Alex Bellos's Monday puzzle?
There is also this one from the New York Times: Numberplay.

[pier4r]

(10-23-2017 11:23 AM)Didier Lachieze Wrote:  Did you try this link: Alex Bellos's Monday puzzle?
There is also this one from the New York Times: Numberplay.

Nice, thanks!

[Gerson W. Barbosa]

(10-23-2017 09:45 AM)Gerald H Wrote:  A problem for more mature students:

https://www.theguardian.com/science/2017...5-year-old

Probably they were only trying to be funny, but the caption to the picture that illustrates the Guardian's article is very disparaging.