number of times will 5 bells ring together in 1 hour if they start together and ring at intervals of 2,3,4,5and 6 sec respectively is
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Answer:
60 times
Step-by-step explanation:
if 5 bells ring at intervals 2,3,4,5 and 6 sec, when started together, they will ring together again after a period equal to the least common divisor ( LCM) of the intervals
The least common divisor of the 5 intervals is 60.
Therefore when started together, the five bells ring together after time period of 60 seconds or 1 minute.
In a time period of 1 hour, they will 60 times (since one hour consists of 60 minutes)
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