the traffic light of theee different roads crossing change after every 48 second,72 second and 108 second respectively.if they change simultaneously at 7:oo a.m. at what time will they change simultaneously again?
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Answered by
1
7:52am probably but not sure so please check once
Answered by
1
take LCM of all numbers so LCM(48,72,108)=3*4*4*6*9=2592sec
7:43:12
7:43:12
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