Question

- Four bells toll in a tower at interval of
5, 7, 3 and 12 seconds respectively. If all
of them toll at 5 am, the next time they
will toll together is :
(1) 5.10 am
(3) 5.07 am
(2)
5.15 am
(4) 5.08 am​

Answer 1

Answer:

They will next toll together at 5.07 am.

Step-by-step explanation:

There is written that the four bells toll together at intervals of 5,7,3 and 12 seconds if We find out LCM of this number as We can get the answer from in seconds that 420 seconds. We have to convert this seconds into minutes. After We converting We get 7 minutes. so, there is We got the answer they will next toll together after seven minutes or at 5.07 am .