Question

Why are the weight in a weight box kept in a 5:2:2:1 Ratio?

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Answer 1

Answer:

Knowing what we do, my best bet would be that the 5-unit weight is more commonly used than the 4-unit weight, and so it is more desirable to have the 5-unit weight as a 'basic' weight rather than making it up from smaller weights (1+4). We can, though, afford to have the 4-unit weight as a combination of (2+2).