3 bells ring at an interval of 4, 7 and 14 minutes. All three bell rang at 6 am, when the three balls will the ring together next?

Given that, 3 bells ring at an interval of 4, 7 and 14 minutes.
Let us find the LCM of 4, 7, and 14.
4 = 2 × 2
7 = 7 × 1
14 = 2 × 7
LCM(4, 7, 14) = 2 × 2 × 7 = 28
Therefore, all the three balls will the ring together again at 6:28 am.

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