
You have nine identical coins, of which 8 have the same weight and one has a different weight. You also have a pan balance. What is the least number of trials in which you can determine which of the coin is 'faulty' if it is known that the faulty coin has higher weight than the others.

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This is the Solution Video of #CAT_2020 Slot-2. This is the 3rd Video on Arithmetic. We have discussed all the questions of #CAT 2020.
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