An electronic device makes a beep after 60 sec.Another device makes a beep after ever 62sec.They beeped together at 10am.The time when they will next make a beep together at the earliest,is
A10.28 am
B10.29 am
C10.30 am
D10.31 am

A10.28 am
B10.29 am
C10.30 am
D10.31 am
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