Questions d'entretien

Entretien pour Assistant Vice President

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Barclays

There are 9 balls one of which is lighter than the others. How would you find the lighter ball in 2 tries

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5 réponse(s)

2

hint. group balls in groups of 6, 2, and 1 .

Utilisateur anonyme le

1

Roll them and see which ones rolls the furthest

Utilisateur anonyme le

1

#1: Place on a balance scales 2 groups of 3 balls. If they weigh the same then the lighter ball is in the remaining group of 3, otherwise it is in the lighter group on the scales. #2: With the group that contains the lighter ball, place 2 of the balls on the scales. If they weigh the same then the remaining ball is the lighter one otherwise it is the lighter ball that is on the scales.

Anonymous le

6

Divide the ball into groups of 3

Utilisateur anonyme le

7

http://brainteaserbible.com/snooker-balls-weighing-scales

an87 le

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