Traffic lights at three different road crossing change after 48 seconds,72 seconds and 108 seconds respectively.At what time will they change together again if they change simultaneously at 7 A.M.?
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Answer:
sorry I don't know the answer
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Step-by-step explanation:
Explanation: We know that in order to find the time when the three lights will change simultaneously again after 7 a.m., we need to find the LCM of 48, 72, and 108. Hence, after converting 432 seconds into minutes and seconds, we get: 432 seconds = 7 minutes and 12 seconds. please mark As BRAINLIST
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