The traffic lights at three different road crossing change after every 48 seconds, 72 seconds and 180 seconds respectively. If they change simultaneously at 7 AM ,at what time they will change simultaneously again?
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The traffic lights at three different roads crossing change after every 48 seconds, 72 seconds, and 108 seconds. How often will they change simultaneously? It depends. If at some point they were changing simultaneously, they will continue to do so every 432 seconds.
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The traffic lights at three different roads crossing change after every 48 seconds, 72 seconds, and 108 seconds. How often will they change simultaneously? It depends. If at some point they were changing simultaneously, they will continue to do so every 432 seconds.
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