Math, asked by ujjwalgupta2828, 8 months ago

the green light of a crossing goes on and off every 15 second and that of the next crossing goes on and off every 20 second.if they were lighted together at 4 am when will they go on together​

Answers

Answered by lahari60
5

Answer:

4:02 am

Step-by-step explanation:

L. C. M of 15,20=60 seconds=2 min

after 2 min that means they again light together at 4:02 am

I hope my answer helps you

Answered by haasiniarjun2064
0

Answer:

It crossing goes on 4:00am to 4:15 and next crossing goes on and off at 4:45

Step-by-step explanation:

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