1.

Three Alarm make a beep after every 48 sec, 72 sec and 108 sec respectively. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest is

A. 10:07:36 hrs
B. 10:07:24 hrs
C. 10:07:12 hrs
D. 10:07:48 hrs
Answer» D. 10:07:48 hrs


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