Question

The traffic lights at three different road crossings change after every 24 seconds, 36 seconds, 60 seconds respectively. If they change simultaneously at 9 am, at what time will they change simultaneously again?​

Answer 1

Answer:

frist light was change at 9 am

second light change at 9:00:25

therd light change at 9:01:01

Answer 2

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. ⇒43260=71260Minutes.