## three alarm clocks ring at intrevals of6 , 9, 15, minutes respectively .if they start ringing together,after what time will they next ring

Question

three alarm clocks ring at intrevals of6 , 9, 15, minutes respectively .if they start ringing together,after what time will they next ring together.. correct answer will be given thanks and made brainliest

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2 months 2021-11-06T17:12:59+00:00 2 Answers 0 views 0

1. Step-by-step explanation:

LCM of 6,9,15 is 90

then we should divide 90 by 60 then we get 1.5 hours

So,by adding 1.5 to given time