Question

Two alarm clocks ring their alarms at regular intervals of 50 seconds and 48 seconds. If they first beep together at 12 noon, at what time will they beep again for the time for the first time

Answer 1

Answer:

They will ring together after, LCM of 48 and 50 secs. = 20 min. They will beep together at 12:20.

Step-by-step explanation:

Answer 2

Answer:

12:20 pm

Step-by-step explanation:

They will ring together again after LCM of their individual time intervals

A = 50 sec

B = 48 sec

LCM(A, B) = 1200 sec = 20 min

They will ring together again at 12:20 pm