You have 8 balls, one of which is heavier than the others. You have a balance scale and can only use it twice. How do you determine which is the heavier ball?
Category: Brain Teasers · Difficulty: expert
Hint: Divide and conquer is key here.
Answer
Weigh three balls against three balls first, then weigh the heavier group again.
Explanation
By weighing three balls against three, you can narrow it down to three or one ball, then use the second weighing to find the heavier one.
This is a expert brain teasers riddle — one of the harder riddles here. The answer is Weigh three balls against three balls first, then weigh the heavier group again..
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