Can You Find the Heavier Coin                                            in Only 2 Tries?
PROBLEM: 
• You have 8 coins that look the same in color, size, etc.
• But,  one coin           is heavier than the others.
•
•Only a balance scale can tell the weight difference not by holding it in your hand.
•You have only 2 tries to find the heavier coin using the balance scale.  How will you do it?