Four bells ring at at the interval of 20 , ,24 and 45 minutes respectively at what time they will bring together if they start at ringing 7:

Question

Four bells ring at at the interval of 20 , ,24 and 45 minutes respectively at what time they will bring together if they start at ringing 7:00 a.m.

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Liliana 1 month 2021-09-16T14:39:15+00:00 1 Answer 0 views 0

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    2021-09-16T14:40:34+00:00

    Answer:

    Step-by-step explanation:

    take LCM of 20,24 and 45 respectively\

    20: 2.2.4

    24:2.2.2.3

    45:3.3.5

    LCM(20,24,45)= 2.2.2.3.3.5=360 sec

    convert into minutes : 360/60=6 minutes

    answer:They will be ringing together after 6 minutes

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