There are three bells which ring at regular intervals of 30, 45 and 60 seconds respectively. If all of them ring together at 1:00 PM, at what time will they ring together again?
1
1:03 PM
2
1:24 PM
3
1:30 PM
4
1:12 PM
There are three bells which ring at regular intervals of 30, 45 and 60 seconds respectively. If all of them ring together at 1:00 PM, at what time will they ring together again?