Alarms from 3 different clocks sound out after every 2, 4 and 6 hours, – McqOptions

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1.	Alarms from 3 different clocks sound out after every 2, 4 and 6 hours, respectively. If all the clocks are started at the same time, how many times will the alarms ring together in a span of 3 days?
A.	6
B.	3
C.	9
D.	2
Answer» B. 3

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