You have given 12 balls of identical shape and a weighing compares. There is one ball defective among them. How will you find out the defective one and whether it is light or heavy in less number of weighing.

Ques:- You have given 12 balls of identical shape and a weighing compares. There is one ball defective among them. How will you find out the defective one and whether it is light or heavy in less number of weighing.

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