Puzzle to solve 1 with ANSWER

There are 12 identical coins and 11 coins have similar weight and one coin has different weight… Can you find the coin which has different weights from the remaining coins by weighing only 3 times with common balance??

ANS:

We need to short the different weight coin step by step procedure:

3 steps for different 3 weighing s with common balance and named coins as Alphabets and divided in to 3 groups and please follow the diagram for better understanding.

 

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