A certain clock marks every hour by striking a number of times equal to the hour and the time required for a stroke is exactly equal to the time interval between strokes. At 9 : 00 a.m. the time lapse between the beginning of the first stroke and the end of the last stroke is 34 seconds. At 18 : 00 hrs. how many seconds elapse between the beginning of the first stroke and the end of the last stroke:

A certain clock marks every hour by striking a number of times equal t

1.	A certain clock marks every hour by striking a number of times equal to the hour and the time required for a stroke is exactly equal to the time interval between strokes. At 9 : 00 a.m. the time lapse between the beginning of the first stroke and the end of the last stroke is 34 seconds. At 18 : 00 hrs. how many seconds elapse between the beginning of the first stroke and the end of the last stroke:
Answer» A certain clock marks every hour by striking a number of times equal to the hour and the time required for a stroke is exactly equal to the time interval between strokes. At 9 : 00 a.m. the time lapse between the beginning of the first stroke and the end of the last stroke is 34 seconds. At 18 : 00 hrs. how many seconds elapse between the beginning of the first stroke and the end of the last stroke:

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