Question

the traffic lights at three different road crossing change after every 50 sec , 75 sec and 100 sec . respectively. If they start changing simultaneously at 8am , after how much time will they change again simultaneously.​

Answer 1

Answer:

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Answer 2

Answer:

LCM of 50 75 and 100 is equal to 300.

Hans as we know that lights change at 8 a.m.and next they would change after 300 sec or 5 mins

that is at 8:05 am respectively.

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