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Amazon.com: Wake Up Light Sunrise Alarm Clock for Kids, Heavy Sleepers, Bedroom, with Sunrise Simulation, Sleep Aid, Dual Alarms, FM Radio, Snooze, Nightlight, Daylight, 7 Colors, 7 Natural Sounds, Ideal for Gift :
Five diff. alarm clocks ring their alarms at every 15mins, 30mins, 45mins, 1hr and 75mins, respectively. If all the alarms are rung together now, then how many more times all the clocks
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