Question

the traffic light at three different crossings change after every 24 seconds,36 seconds and 48 seconds respectively. they all change simultaneously at a certain time. after how much time these will again change simultaneously?
solve the question LCM ​

Answer 1

Answer:

$road1=24seconds=road2=36seconds=road3=48seconds=36−24=12+48=60=60seconds$

This is the answer of question.

Answer 2

Answer:

road1=24seconds=road2=36seconds=road3=48seconds=36−24=12+48=60=60seconds.

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