There are two alarm clocks ringing at regular intervals of 50 seconds – McqOptions

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1.	There are two alarm clocks ringing at regular intervals of 50 seconds and 48 seconds. If they first beep together at 12 noon, at what time will they beep again together?
A.	12:10 PM
B.	12:20 PM
C.	12:11 PM
D.	12:12 PM
Answer» C. 12:11 PM

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