Latest Infosys Aptitude Question SOLUTION: A factory manufacturing flywheels for racing cars has 10 machines to make them. The manufacturer knows the correct weight for a flywheel. However, one day one of the machine begins

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A factory manufacturing flywheels for racing cars has 10 machines to make them. The manufacturer knows the correct weight for a flywheel.
However, one day one of the machine begins to produce faulty parts- either overweight or underweight.How can the manufacturer find the faulty machine in only 2 weighings

Asked In Infosys (12 years ago)

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Dr.Dipin Singh  (12 years ago)

Mark the machines as 1 to 10.

Take one flywheel from machine 1, 2 from machine 2.... 10 from machine 10 and find the weight.

Then take 1 flywheel from machine 10, 2 from machine 9.... 10 from machine 1 and note thye weight.

From these two wts he can find the weight difference and the faulty machine also.

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nishu jindal  (11 years ago)

i didn't get your solution dipin
can plz explain this again

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