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27-12-2016
Mathematics

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In a machine, a large gear completes a revolution every minute while a small gear completes a revolution every 24 seconds. If the gears are currently aligned, how much time will pass before they are aligned again?

F. 12 second
G. 24 seconds
H. 1 minute
I. 2 minutes

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27-12-2016

To make the second gear aligned with the first it would have to rotate 5 times, a total of 120 seconds and/or 2 minutes will pass

So the answer is I.

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