Give your brain a workout by seeing if you can figure out how much the spheres weigh.
You'll be shown two examples where the scales are perfectly balanced by combining spheres of different colours. Using that information, see if you can work out which other set of scales is also balanced.
Good luck!
NOTE: To keep things simple, we're asking in the questions how much certain objects weigh. There is a difference between weight and mass - here's a Bitesize guide that explains it in greater detail.
If you need some extra help, just click Show more to reveal a hint.
The purple ball has a weight of 2kg and the orange ball has a weight of 1.5kg, so what is the weight of the green ball?
This article was published in March 2024
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