One of the classic pratical puzzle is here I hope you will solve it and like it
Imagine that you have been sentenced to death in a strange country where there is a strange law. Before you are hanged you have to chose a one of the paper kept in a hat. On one "LIFE" is written and on other "DEATH". If you select paper written "LIFE" on it you will be set free. Now one of you enemy has somehow replaced the "LIFE" paper with another paper written "DEATH" on it. Now both the paper has "DEATH". This person gleefully informs you of what he has done...
