Three bells start ringing together, and then ring at intervals of 3, 5 and 10 minutes respectively. The three bells will ring together every 30 minutes. In a period of 2 hours, how many times will the three bells ring together? Don’t forget to count the initial moment when they rang together.
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Answered by
17
Answer:
5 times they will rang together.
00:00, 00:30, 01:00, 01:30, 02:00
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Answered by
3
Answer:
5 times
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