Five bells begin to toll together at 12:00 noon and toll respectively at intervals of 4, 5, 6, 8, and 9. seconds. Not including the toll at 12:00 noon, how many more times will all five bells toll together before 3:01 pm (i.e. three hours and one minute later)?	Select:  A) 25  B) 30  C) 35  D) 40  E) 45
The least common multiple is 2*2*2*3*3*5= 
<gadget id="calculator">2*2*2*3*3*5</gadget>
<output>360</output>
360.   10860 seconds / 120= 30 + remainder.   The answer is 30.
<result>B</result>
Five bells begin to toll together at 12:00 noon and toll respectively at intervals of 4, 5, 6, 8, and 9. seconds. Not including the toll at 12:00 noon, how many more times will all five bells toll together before 3:01 pm (i.e. three hours and one minute later)?