Answer:
What coin doubles in value when half is deducted?
There are two sisters: one gives birth to the other and she, in turn, gives birth to the first. Who are the two sisters?
No is to negative as yes is to...?
No matter how terrible things get for the people of the Arctic, they will not eat a penguin. Why not?
What man can shave 10 times a day and still have a beard?
Special abilities and brightly colored underwear are all you need to be one of these.