Subscribe TechModgy to learn about new technologies!

The traffic lights at three different road crossings change after every 48 sec., 72 sec and 108 sec. respectively .If they all change simultaneously at 8:20:00 hours, then at what time they again change simultaneously .

A. 8:26:12 hrs

B. 8:27:12 hrs

C. 7:12:34 hrs

D. 9:12:30 hrs

Please do not use chat terms. Example: avoid using "grt" instead of "great".