Question

2. The traffic lights at three different road crossings change after eve
seconds. 48 seconds. 54 seconds respectively. If they all change
simultaneously at 10:30 am, then at what time will they again change
simultaneously?
​

Answer 1

Answer:

The traffic lights at three different road crossings change after every 48 seconds, 72 seconds and 108 seconds respectively. If they change simultaneously at 7 a.m., at what time they change simultaneously again? ... ⇒432seconds=43260 Minutes.

Explanation:

Answer 2

Answer:

10:30:48Am 10:30:54 Am