A box has 900 balls. 90% are red.

trick is the wording.

Look carefully at the sentence:

“90% are red.”

It does not say that the other 10% are blue, green, yellow, or any specific color.

We simply assume they are some other color.

And that assumption is perfectly reasonable.

Now let’s imagine a strange situation.

Suppose someone opens the box and says:

“All 900 balls are red.”

Would that fit continue reading …