Six bells start ringing simultaneously and they ring at intervals of 4 – McqOptions

MCQOPTIONS

1.	Six bells start ringing simultaneously and they ring at intervals of 4, 8, 10, 12, 18 and 20 seconds respectively. Once the ringing starts, how many times will the bells ring together in next 30 minutes?
A.	4 times
B.	3 times
C.	6 times
D.	5 times
Answer» E.

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