Question

.Three bells toll at the interval of 20, 25 and 30. If all the three bells toll

together at 12 noon, when will they toll together next?

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Answer 1

Answer:

After 300 minutes

Step-by-step explanation:

We will take the LCM of 20 , 25 , 30 .... which is 300 minutes . After that we will add 300 minutes to 12 noon which will be as follows :

300 min = 5 hours

12:00 + 5:00 = 17:00 = 5 pm