Interview question in HCL - 9 Balls, 1 Is Heavier – Can You Solve It? 🤯 #shorts #viral #trending

Answer: 2 weighings
💡 Explanation:
1️⃣ Divide the 9 balls into 3 groups of 3
2️⃣ Weigh Group A vs Group B
• If one side is heavier → the heavy ball is in that group
• If equal → it’s in Group C
3️⃣ From the heavier group, weigh 1 ball vs 1 ball
• The heavier one is the answer
• If equal → the third ball is heavier

So, the heavy ball can be found in just 2 weighings ✅

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