Question

Four bells toll at intervals of 8 9 12 and 15 minutes respectively if they toll together at 3:00 p.m. when will they toll together next

Answer 1

Answer:

9 p.m

Step-by-step explanation:

This problem based on the concept of LCM.

Here we have to find LCM of interval 8, 9, 12 and 15 minutes which indicates after how long they all again toll together.

   LCM = 360

Hence bells will toll together after 360 mins. that is at 9 p.m

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