Question

Traffic lights at three different road crossing change after 36 sec,60sec and 72
sec respectively. At what time will they change together again if they change simultaneously at 7 A.M.? (with full statement )please answer the questions

Answer 1

simple
just take LCM

so, by taking LCM, we get 720 seconds as the answer

Answer 2

Answer:

Step-by-step explanation:

just take LCM

so, by taking LCM, we get 720 seconds as the answer