Six bells toll together at a certain time and after that each keeps on – McqOptions

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1.	Six bells toll together at a certain time and after that each keeps on tolling at an interval of 5, 10, 15, 20, 25, 30 seconds. After how many seconds will they toll together again?
A.	600
B.	300
C.	250
D.	240
Answer» C. 250

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