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BrainTwister #71: Dip die

Can you solve this week’s logic puzzle? Plus our quick quiz and the answer to last week’s problem

By Katie Steckles

30 April 2025

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Shutterstock/ktsdesign

#71 Dip die

Set by Katie Steckles

A solid, white cube, made from 1-centimetre cubes stuck together, measures 5 cm on each side. How many small cubes are needed to make a cube like this?

The whole cube fell into a bucket of red paint, coating the outside. The cube was then pulled out and separated into its individual cubes to dry. How many small cubes had some paint on them?

Once the paint was dry, the small cubes were placed in a bag. I pulled one out at random, without looking, and rolled it like a dice. What is…

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