Mechanical Computer riddle

The Puzzlefry mechanical computer is a very sensitive device, it consists of interlocked toothed gear cogs.

The largest Cog has 242 teeth and the others have 160, 64 and 22 respectively.

By accident, John started to rotate the largest Cog.

How many revolutions must he rotate the largest Cog make before the computer is back in its starting position with all of the Cogs where they started?

SherlockHolmes Expert Asked on 5th February 2018 in Aptitude Question.
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  • 1 Answer(s)

    273.727273 revolutions

    Shanu katolkar Genius Answered on 10th February 2018.
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