al 01
11. An electronic device makes a beep after every 15 minutes. Another device makes a beep
after every 20 minutes. They beeped together at 10 a.m. At what time will they make
the next beep together?
Answers
Answered by
0
Answer:
The LCM of the time intervals of the beeps will give the time when the electronic devices will beep together. So, they will beep simultaneously after 60 min or 1 h. ∴ They will beep together again at 7:00 a.m.
Answered by
0
Answer:
at 11:00 a.m.
Step-by-step explanation:
both device make a beep at = 10:00 a.m.
1st device beep sound time = every 15 mins
2nd device beep sound time = every 20 mins
so ,
1st device beep at 2nd device beep at
10:00 10:00
10:15. 10:20
10:30. 10:40
10: 45 11:00am
11:00 am
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