A) 12 h 2 min 48 s
B) 12 h 3 min
C) 12 h 3 min 20 s
D) 12 h 3 min 44 s
Correct Answer: A
Solution :
LCM of 4, 6, 8 and \[14\text{ }s=168\text{ }s\] \[=2\,\text{min }48\text{ }s\] Thus, they will ring again simultaneously at 12 h 2 min 48 s.You need to login to perform this action.
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