1 weight 6 ping pongs with another 6 ping pongs. see which side is heavier% B( E: j0 m8 j
2 spilt the heavier side ping pongs in half and weight against each other
2 @2 h; N) k4 `, Z9 r: p# P4 dtvb now,tvbnow,bttvb3 weiht either ping pongs one on one then you will know which is the heavy one. |