The traffic lights at three different road crossings change every $24$ seconds, $36$ seconds, and $72$ seconds respectively. If they all change simultaneously at $8:20:00$ a.m., then they will again change simultaneously at

Q. 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 AM then at what time will they again change simultaneously.

Q. There are three consecutive road crossings at which traffic lights change after every 48 seconds 72 seconds and 108 seconds respectively If the lights change simultaneously at 8 : 20 : 00 hours then at what time will they change again simultaneously?

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The traffic lights at three different road crossings change after every $48$ seconds, $72$ seconds and $108$ seconds. If they start changing simultaneously at $8am$, after how much time will they change again simultaneously ?

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Question 6

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 will they change simultaneously again?