The traffic lights at three different road crossings change every 24 seconds, 36 seconds
and 48 seconds respectively. If they change simultaneously at 9 am, at what time will
they change simultaneously again?
Answers
Answered by
1
Answer:
They will change after one hour
Answered by
1
Find the LCM of 24, 36 and 48
LCM = 147
Divide 147 with 60 (minutes)
2 min 27 secs
Answer they will change simultaneously again at 9:02:27 am
LCM = 147
Divide 147 with 60 (minutes)
2 min 27 secs
Answer they will change simultaneously again at 9:02:27 am
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