Question

together?
Five guns are fired at intervals of 2, 3, 5, 6 and 10 seconds respectively. At what intervals will they
be fired together and how many times with each be fired during that time?
Four bells ring at intervals of 8, 12, 18 and 20 minutes respectively. At what time will they ring
together if they start ringing simultaneously at 9 a.m.?​

Answer 1

Answer:

Bell answer is 3 am and i will tell the gun answer later