**Thoughtworks Interview Logic Puzzle - 19 January**

There are ten boxes containing some balls. Each of the ball weighs exactly 10 grams. One of those boxes have defective balls (all the defective balls weigh 9 grams each).

An electronic weighing machine is provided to you and you are allowed only one chance of weighing on it.

How will you find out which box has defective balls ?

**For Solution :**Click Here

From box 1 one ball.box 2 two balls......box 10 ten balls thus you have a total of 55 balls total 550 grams. but one or some balls weigh so the weight will be less by a few grams. if it weighs 5 grams less box five os the odd one if it weighs 3 grams box three is thr odd one as three balls were weighed.

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