Math, asked by vinithanair3372, 19 days ago

Three bulbs red green and yellow flash at interval of 80s 90s 110 s All three flash together at 8:00am at what time will the three bulbs flash altogether again
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Answers

Answered by tanishasamanta16

Answer:

The three bulbs flash at 80s, 90s and 110s respectively. Therefore, they will flash together at LCM of (80,90,110), that is after 7920 seconds = 132 minutes = 2 hours 12 minutes. Therefore, after every 2 hours 12 minutes, all three bulbs will flash together

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