dkndhrh dkndhrh
  • 17-09-2017
  • Mathematics
contestada

Three lightship flash simultaneously at 6 00 a.m the first lightship flashes every 12 sec the second lightship every 30 sec and the third lightship every 66 sec
At what time will the three lightship next flshes together

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petahpham
petahpham petahpham
  • 17-09-2017
They will all flash their lights together at 5:00 pm
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