An electronic device makes a beep after every 15 minutes. Another device makes a beep after every 20 minutes. They beeped together at 6 a.m. At what time will they next beep together?
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Ans . 7 AM of this question
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NAMASTE....❤️❤️
The electronic device will beep together at 7 am
So they will beep after 60 min =1 hour, hence it will again ring at 7 am.
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