three balls ring at an interval of 15, 20, 25, minutes if they ring together at 10 a m at what time they ring together again?
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at 3 pm the balls ring together
first find the lcm which is 300 minutes
300 min after 10 am is 3 pm
first find the lcm which is 300 minutes
300 min after 10 am is 3 pm
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