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 6:00 the time lapse between the beginning of the first stroke and the end of the last stroke is 22 seconds. At 12:00, how many seconds lapse between the beginning of the first stroke and the end of the last stroke?
72
50
48
46
44
[spoiler]
OA 46[/spoiler]
72
50
48
46
44
[spoiler]
OA 46[/spoiler]
No rest for the Wicked....
