Traffic lights!

Number Theory Level pending

There are 4 traffic lights in a busy road. The traffic lights are such that, they change at equal intervals simultaneously, at 128 seconds, 40 seconds, 100 seconds, 50 seconds. All the three lights change simultaneously at 6:30 AM.

Then find the next time in which they will change lights simultaneously. Give your answer in decimal form, ignoring the seconds

For example, if your answer is

You have got that the light glow after 4 hour 3 minutes 4 seconds. Then your answer will be 10.3


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