Question

The traffic lights at three different road crossings change after every 48 seconds, 72
seconds and 108 seconds respectively. If they all change simultaneously at 8:20:00 am
when will all the traffic lights again change simultaneously?​

Answer 1

Answer:

8:27:12 am

Step-by-step explanation:

they flash after 7 mins 12 secs... as their lcm is 432

8 20 00

+

0 7 12

Answer 2

Answer:

I am good Didi

can you call me Arry if you don't mind.

Step-by-step explanation:

to kaise he aplog !