wingonwong

take out 10 balls and 5 in each side. h- D# H3 Q) S- ^( D
if both side balance mean the other 2 balls one of them must be the heavy one then just take them to weight will find out which one is heavier.' |8 E* l3 [) [* r! q% W: L
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if the heavy ball is inside the 10 balls, take out 4 balls from the heavier side which had 5 balls to weight 2 balls in each side.tvb now,tvbnow,bttvb& \3 N4 j% }. W, b3 O" p# g: Z
if both side balance, which mean the one left is heavy one if not, just take the heavier side to weight will find out which one is the heaviest one.
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' Z/ H5 h8 @( ]( v( K! ^& C2 B- O8 jused less then 1 min to find out the answer....