Discussion of Question with ID = 002 under Clocks-and-Calendars

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Three comets appear in the sky at regular periods of 11, 22 and 33 years respectively. If a comet has passed just now, what is the minimum time that we must wait for a comet to appear in the sky?


11 years.


34 years.


33 years.


22 years.

Ans: a

The least of the given time periods is 11. So this is the minimum waiting time.

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