Three bells ring at intervals of 36 seconds, 40 seconds and 48 seconds – McqOptions

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1.	Three bells ring at intervals of 36 seconds, 40 seconds and 48 seconds respectively. They start ringing together at a particular time. They will ring together after every
A.	6 minutes
B.	12 minutes
C.	18 minutes
D.	24 minutes
Answer» C. 18 minutes

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