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Four bells ring at the intervals of 4s, ...

Four bells ring at the intervals of 4s, 6s, Bs and 14s. This four bells started to ring on 12 O'clock. At which time, they again started to ring?

A

2 min 48s past 12

B

3 min past 12

C

3 min 20s past 12

D

None of these

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The correct Answer is:
A
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