Question

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

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).

Explanation: