How can you get a fair coin toss if someone hands you a coin that is weighted to come up heads more often than tails?

Question

If you toss a coin ten times and it lands heads up every time, what is the probability that it will land heads up if you toss it again?

Answer 1

We should use tails on top while flipping always !!!

Answer 2

If you know that it's weighted to come up heads more often than tails, then it's simply a matter of tossing the coin 'bout a hundred times and figure out the "weighted" average of heads versus tails.

So the answer is (just like the stock market): Foreknowledge.