A bell rings every 8 minutes, and another rings every 10 minutes. They both ring together at midnight. What time will they both ring at the same time again?

Question

konrad509 · Answer

lcm ( 8 , 10 ) = 40 
 They will ring at the same time again 40 minutes later that is at 0:40 .

sumiyasea · Answer

12.40 am is the next time they both ring at the same time

Anonymous · Answer

The two bells will ring together again at 12:40 AM after ringing together at midnight. This is calculated by finding the least common multiple of their ringing intervals, which is 40 minutes. So, adding 40 minutes to midnight gives us 12:40 AM. 
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A bell rings every 8 minutes, and another rings every 10 minutes. They both ring together at midnight. What time will they both ring at the same time again?

Answer (3)

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