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Traffic lights at three different junctions show green light at intervals of 10 seconds, 12 seconds and 15 seconds. They all show green at 1:00 p.m. At what time will they show again green together?
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Traffic lights at three different junctions show green light at intervals of 10 seconds, 12 seconds and 15 seconds. They all show green at 1:00 p.m. At what time will they show again green together?

User Pof
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1 Answer

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Answer:

it will show afain at 19 seconds

User Larrywgray
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