Not even lying.
On an old standardized test for an unnamed state testing program they gave me the question of log base 10 of 100 = x and the multiple choice answers of 10 and 2.
But both were correct.
In base 2 10^10 equals 100, and in base 10 10^2 equals 100.
So I complained, and the proctor had no idea what I was talking about...
