how to find defect coin from 160 coins.(only 1 defect coin present) an electrical weighing machine ,with 10 chances given.

• 6 chances are enough
  take 80,80
  wich is less divide into 2
  that means 40,40
  20,20
  10,10
  5,5
  2,2 frm that u cn find
• 10 years agoHelpfull: Yes(0) No(0)