Question

three Bells toll at intervals of 12 18 and 36 seconds if they begin to toll together after how much time will they toll together​

Answer 1

In order to find the next time when they will toll together, we have to find the smallest no. that is a multiple of all of them.

Therefore, we have to find the LCM. To find the LCM, we will have to multiply the highest powers of prime no.s which each of them have

The highest power of 2 is 2^2 = 4

The highest power of 3 is 3^2 = 9

4×9 = 36

So, they will toll together after 36 seconds.

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