#8. The answer is:

TEN.

An answer for which I call BS.

Sure, it makes sense: There are five dead fish and five live fish, and they’re all still stuck in that tank.

But the question was vague to begin with! It doesn’t say “how many are left alive?” or “how many are left in the tank”, now, does it? No. It just says “how many are left” so you will trick yourself into thinking this is a damn math question. And that is.. SO… it’s just…

…well, technically, that passes as a decent brain workout… so… I shouldn’t really be complaining.

DAMMIT.