Question

QI. The maffic lights at 3 different roads change after every 12 seconds, 24 seconds
and 72 seconds respectively. If they change simultaneously at 6am, at what time
will they change again simultaneously.​

Answer 1

Answer:

6:01 am

Step-by-step explanation:

LCM of all three no. is 72

72s = 1min 12sec

So, 6am+1 min 12 sec=6:01am