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An electronic device makes a beep after every 60 seconds. Another makes a beep after every 62 seconds. They beeped...
An electronic device makes a beep after every 60 seconds. Another makes a beep after every 62 seconds. They beeped together at 10:00 AM. The time when they will next make a beep together at the earliest is ?
A
10:30 AM
B
10:31 AM
C
10:59 AM
D
11:00 AM
E
11:03 AM
A
10:30 AM
B
10:31 AM
C
10:59 AM
D
11:00 AM
E
11:03 AM
Solution
LCM of 60 and 62 is = 1860Hence, they will beep together after 1860 seconds.1860/60 = 31 minutes.Therefore, they will...
LCM of 60 and 62 is = 1860
Hence, they will beep together after 1860 seconds.
1860/60 = 31 minutes.
Therefore, they will beep together at 10:31 AM
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