Three bells ring at interval of 20 minutes, 30 minutes and 60 minutes respectively . If all three bells ring together at 3 am , then at what time will all the three bells ring together.
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Answer:
after 110 min ( 5:50 am) bells ring together
Step-by-step explanation:
60min = 1hour
20min+30min= 50min
60 min +20min +30 min
= 110 min or (5:50 am)
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