Question

Electronic device makes a bit after every 60 seconds and other device 120 after 62 seconds they beat together at 10



a.M. At what time you will be together again

Answer 1

the LCM of 60 and 62 is

60: 2 x 2 x 3 x 5

62: 2 x 31

LCM: 2 x 2 x 3 x 5 x 31

The Least Common Multiple (LCM) is: 2 x 2 x 3 x 5 x 31 = 1860

they will beep together after 1860 seconds = 31 minutes

so,

ans: they will beep together at 10:31 a.m.

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