The traffic lights at three different road crossing change after every 48 seconds, 72
seconds and 108 seconds respectively. If they change simultaneously at 7 am, at
what time will they change simultaneously again?
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The traffic lights at three different road crossing change after every 48 seconds, 72
seconds and 108 seconds respectively. If they change simultaneously at 7 am, at
what time will they change simultaneously again?
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Answer:
LCM of 48,72 and 108 is 432
432 is equal to 432/60 which is 7 minutes and 12 seconds
answer is 7.7.12
it means lights will simultaneously change at 7 hours 7 minutes 12 seconds am
Answer:
7 hour 7 Min 12 Sec
Step-by-step explanation:
LCM Of 48, 72, 108 is 432 sec
864 sec= 7.2 minutes
Ans= 7 hour 7 Min 12 Sec