alleryStart learning →Two bells ring together at 9:00, one every 12 minutes and one every 18. When do they next ring together?
A9:24
B9:30
C9:36
D9:48
Answer & Solution
Correct answer: C. 9:36
They ring together after the LCM of 12 and 18, which is 36 minutes, so the time is 9:36.
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