Math, asked by mohdathar196, 1 year ago

the traffic lights at three diffrent roads crossings change after every 48 seconds 72 seconds and 108 seconds.if they change simultaneously at 7 pm at what time will they change again simultaneously

Answers

Answered by sambi
3
lcm of 48,72,108 is 432
432 divide by 60 
you will get 7 minutes 12 seconds 
they change at 7:00 + 7.12
at 7:07 minutes 12 seconds they change

HOPE IT HELPS.....

sambi: pls mark it as the best answer
Answered by eshansinha015
1
lcm of 48,72,108 is 432
432 divide by 60 
you will get 7 minutes 12 seconds 
they change at 7:00 + 7.12
at 7:07 minutes 12 seconds they change

HOPE IT HELPS....

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