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¿Cuál es el peso de la taza?
Have you figured it out yet?
At first glance, this puzzle looks very simple.
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Physics
But if you rush, there’s a good chance you’ll get the wrong answer.
The trick is to focus on what each scale is actually showing.
Every object has the same weight each time it appears.
Nothing changes except the combinations.
Let’s look at the clues one by one.
The first scale shows three spoons weighing 90 grams.
Since all three spoons are identical, each spoon must weigh the same.
So divide 90 by 3.
That means one spoon weighs 30 grams.
Now move to the second scale.
