Question

1. Three bells ring at intervals of 15, 20, and 30 minutes. If they all ring at 12 noon together, at what time
will they ring together again?​

Answer 1

Step-by-step explanation:

They will ring at 1:00 pm again.

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Answer 2

Answer:

They will together ring at 1 pm .

Step-by-step explanation:

Find the LCM of 15 20 and 30 which is 60 minutes .

Time when all the bells will ring together is 1'O clock