Schlumberger Interview Question: They give you 8 object of equ... | Glassdoor

Interview Question

Field Specialist Interview Williston, ND

They give you 8 object of equal size, but one is a

  different weight. You have to determine which on in two moves.

Interview Answer

1 Answer


Divide them into groups of 3,3 and 2.
Weigh 3 against 3 - It one side is heavier - select that group - again from this, take two and weigh - if one of the two is heavier, u know it otherwise the remaining one in that group.

If 3 against 3 are same, weigh the remaining two and one is heavier.

Anonymous on Sep 21, 2013

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