4 different bells beep after every 20min, 40min,1hr and 20min, 1hr and 40 min.of all beeps at 5:00 am when. when will they beep together again
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Answer:
lcm of 20,40 60,80,100=1200min
or 20hours.
so they will again ring at=5:00am +20 hours
=1:00am
Step-by-step explanation:
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