The hour, minute and second hands of this clock are all the same length and move smoothly in a circle. The dial contains hour and minute markers, but the numbers are missing. Therefore, it’s ...

Researchers in Cambridge may have uncovered how ChatGPT thinks after testing the artificial intelligence chatbot with a 2,400-year-old maths puzzle. In a new study aimed at overcoming AI’s black box ...

A wanderer lives in a remote landscape with three villages: Avalon, Belthar and Cresthaven. Every morning, they leave the village they are in and travel to one of the other two villages, choosing ...

Find the area A of the circle above the rectangle and tangent to the small triangle.

Brain teasers are excellent puzzle games for providing the brain with an effective mental workout. Math puzzles are a type of brain teaser that requires you to find the missing value. These types of ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...