Question

F there are 12 fish and half of them drown, how many are there?

Answer 1

If* there are 12 fish and half of them drown, how many are there?
Hah, Trick Question, Fish don't drown.

Answer 2

Fish have Gills at the place of lung, which helps in breathing under the water. So, they won't drown. 

Hope this helps!