Investment Banking Software Developer Interview Questions

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You have a balance scale and 6 balls. Out of the 6, 5 balls weigh the same, and 1 ball is heavier than the others. You can use the balance scale twice to weigh any combination of balls. What do you do to isolate the heavier ball?
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Investment Banking Summer Analyst

Interviewed at JMP Securities

4
Oct 24, 2018

You have a balance scale and 6 balls. Out of the 6, 5 balls weigh the same, and 1 ball is heavier than the others. You can use the balance scale twice to weigh any combination of balls. What do you do to isolate the heavier ball?

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