Four bells begin to toll together respectively at the intervals of 8, 10, 12 and 16 seconds. After how many seconds will they toll together again?	Choose the correct choice from the following answers.
A) 246 seconds
B) 242 seconds
C) 240 seconds
D) 243 seconds
E) 253 seconds
L240 secondsM of 8,10,12 and 16 is   240   L240 secondsM=240   ANSWER:240 seconds
<result>C</result>
Four bells begin to toll together respectively at the intervals of 8, 10, 12 and 16 seconds. After how many seconds will they toll together again?