Question

There are 10 rows of gold coins.Each row consists 10 coins. Total 100 coins. Standard weight of each coin is 3.5gms.
But out of 10 rows 1 row is of guilt coins each coin 2.5 gms weight.
You have digital electronic balance given and also dual balance.

You will have to find out the row which have guilt coins in how many weighments minimum ??​

Answer 1

Answer:

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