The traffic lights at three different road crossings change after every 48 seconds, 72seconds and 108 seconds. If they start changing simultaneously at 8 a.m., after how much time will they change again simultaneous ?
Answers
Answered by
0
Answer:
432
Step-by-step explanation:
so their crossing change after 49,72,108 seconds
at 8 pm their least time in which all the light will be same
will be its LCM
so therir LCM will be 432 seconds
Answered by
2
Answer:
Your answer is 8:3.48 am
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