Question

4 bells ring together at interval of 4,6,7 and 8 seconds respectively after how many seconds do all bells ring together​

Answer 1

Answer:

It's answer will be lcm of all

= l.c.m of 4,6,7,8

= 128

Answer 2

Answer:

After 168 seconds all bells ring together​

Step-by-step explanation:

LCM of 4,6,7,8 is 168 second.

I'am confirm that the lcm of 4,6,7,8 is 168.