Question

6. The traffic lights at three different road crossings change after every 48 seconds, 72
seconds and 108 seconds respectively. If they change simultaneously at
7 a.m., at what time will they change simultaneously again?​

Answer 1

Answer:

Given that traffic light at three different road crossing change after every 48 seconds,72 seconds and 108 seconds respectively. Hence,after 7 min and 12 seconds they will blink simultaneously.

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Answer 2

Step-by-step explanation:

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