Interview Question

Technical Support Engineer Interview

If you have 9 balls and 1 is heavier you have a balance

  whats the fewest amount of times you have to use it to find the heavier ball.

Interview Answer

2 Answers



Interview Candidate on Jan 29, 2013

1.make two group contain 4 each.if it equal the rest one is heavier
2.if it is not equal,take that group make 2 groups each containing 2 balls
3.if not equal make another division 100% sure you will get heavier ball
thank u

kashiram on Mar 12, 2013

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